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Review Serica Field Chronometer with California Dial The most detailed review you never wanted to read ( Ref. 6190 )

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Who is Serica?

Serica is a young French watch brand from Paris founded in 2019 by Jérôme Burgert and Gabriel Vachette. In 2020 they launched their first Field watch with the reference 4512. I was an immediate fan and bought it right away and have been wearing it since.

Serica 4512
Serica 6190

In October 2023 Serica relaunched the Field watch series with a more precise COSC-certified movement under the new reference 6190. Although both watches look similar there are a lot of differences.

Serica sent me the 6190 for this review and I was able to have a side-by-side comparison with the previous version (Reference 4512). Read on for a case study on how an iteration of a great watch design can look.

Serica 6190

Case

The lugs on the 6190 are now twisted with a polished flank. This makes the watch visually more interesting, because there are more reflections. At the same time it appears slimmer. The lugs are not drilled from the outside anymore. This will make changing straps a little bit harder, but its not an issue for me since most of my leather straps have quick release spring bars.

The most drastic change is the reduction in height from 11.3 mm down to 10.4 mm. This doesn’t sound a lot, but it makes a difference. Serica not only reduced the height, but they also incorporated an automatic movement (COSC certified), which usually makes the watch thicker since you need space for the winding rotor. Still Serica made the case 0.9 mm thinner. The water resistance of 200 meters (20 bar) didn’t change.

Other dimensions like diameter, lug-to-lug width, lug spacing etc. are basically unchanged and are listed in the Technical Specifications section. All of these changes add up, as you can see in the following side by side comparison.

Lugs comparison of the Serica 6190 Field Chronometer and Serica 4512
Lugs comparison of the Serica 6190 (left) and 4512 (right). You can also see the improved viewing angle of the dial.
Lugs close-up of the Serica 6190 Field Chronometer
Serica 6190
Lugs close-up of the Serica 4512 Field Chronometer
Serica 4512

How it wears on small and medium-sized wrists

The new refined case proportions make the watch case “hug” the wrist better. This is apparent once you wear the watch on a smaller 14.5 cm (5.7 in) circumference wrist.

Smaller wrists

Serica 6190 on 14.5 cm (5.7 in) wrist.
Serica 6190 on 14.5 cm (5.7 in) wrist.
Serica 6190 on 14.5 cm (5.7 in) wrist.
Serica 4512 on 14.5 cm (5.7 in) wrist.

Medium-sized wrists

My wrist is around 17.5 cm (6.9 in) in circumference. I found the 4512 to fit great, but the 6190 with its slimmer profile wears just a bit better. See for yourself.

Serica 6190 on 17.5 cm (6.9 in) wrist.
Serica 6190 on 17.5 cm (6.9 in) wrist.
Serica 4512 on 17.5 cm (6.9 in) wrist.
Serica 4512 on 17.5 cm (6.9 in) wrist.

The new case shape follows the curvature of the wrist better.

Serica 6190 on 17.5 cm (6.9 in) wrist.
Serica 6190 on 17.5 cm (6.9 in) wrist.
Serica 4512 on 17.5 cm (6.9 in) wrist.
Serica 4512 on 17.5 cm (6.9 in) wrist.

Caseback

Comparison of caseback of Serica 6190 and Serica 4512
Casebacks of the Serica 6190 (left) and Serica 4512 (right).

The engraving of the caseback text is less deep on the 6190. This might sound like a detail but I felt it when I was cleaning both watches with a microfiber cloth. The 4512 seemed to pull more on the cloth and felt a bit unrefined while the engraved text on the 6190 was very smooth.

Typographic details

You can see how subtle the differences of the new and old model are with details like the use of ligatures for “660 ft”. A ligature is the merging of two letters into one for aesthetics and legibility. The typefaces has changed to a more wider and rounder typeface.

Serica 6190 (with ligature)
660 ft

Serica 4512 (no ligature)
660 f t

Not everybody can put their finger on each of these typographic details. But if a designer knows what they’re doing, everybody can feel good typography. If you want to know how even big brands mess up watch typography, check out my article about the topic here.

Serica 6190 caseback details
Serica 6190
Serica 4512 caseback details
Serica 4512

The notches of the caseback on the new 6190 were moved more towards the outside. The screwed caseback is less domed and therefore sits flatter on the wrist.

Serica 6190 caseback details
The caseback is less domed and allows the Serica 6190 (left) to sit flatter on the wrist compared to the Serica 4512 (right).
Serica 6190 caseback details
Serica 6190
Serica 4512 caseback details
Serica 4512

Dial

The dial is still enameled at 900 °C in black. The layout has been drastically changed though.

Layout changes

If you look at both the new 6190 and the previous 4512 next to each other, they could appear like identical models. The design team behind Serica made many small changes to the dial that result in a more balanced layout, getting rid of unnecessary details.

Move the slider to the left and right to see all differences.

The following dial changes were made:

Dial details for the Serica 6190
The dial of the 6190 now highlights the COSC chronometer rating and the water tightness of 200 meters (660 feet).

Hands

Dial close-up of the Serica 6190 Field Chronometer
Serica 6190
Dial close-up of the Serica 4512 Field Chronometer
Serica 4512

The hands on the 6190 are coated in a matt white finish, while the hour and minute hands on the previous 4512 were brushed metal. The shape of the minute hand has been slightly changed. Its less pointy and the area for the Super-LumiNova has been increased. These design changes increase the contrast and therefore improve the legibility of the watch face.

Minute hand comparison of the Serica 6190 and 4512
Minute hand comparison of the Serica 6190 (left) and 4512 (right)

Indices

The indices on the 6190 are fully lumed, while the 4512 has a white painted area with slightly offset Super-LumiNova.

Index comparison of Serica 6190 and 4512
12 o’clock index of the Serica 6190 (top) and 4512 (bottom)
Lume application on the Serica 6190
Serica 6190
Lume application on the Serica 4512
Serica 4512

Crystal

The crystal of the 6190 is slightly less domed, but remains a 2 mm thick double dome. The main difference is that the junction of the two domes happens more towards the center of the dial. This results in a better viewing angle and less distortion. The “milky ring” around the edge of the crystal is less pronounced in the new 6190.

Crystal curvate of the Serica 6190
Serica 6190
Crystal curvate of the Serica 4512
Serica 4512

Movement

Serica’s movements are manufactured by Soprod SA Les Reussilles (Soprod). They were founded in 1966 and their production site for mechanical movements is based in Les Reussilles, Switzerland. They’re part of the Festina group.

Serica 6190
Soprod M100 COSC

  • Movement type: automatic
  • Accuracy: –4/+6 seconds/day, COSC-certified over 4 days in 5 positions
  • Frequency: 28,800 A/h (4 Hz)
  • Power reserve: 42 hours

Serica 4512
Soprod P24

  • Movement type: manually wound
  • Frequency: 28,800 A/h (4 Hz)
  • Power reserve: 38 hours
COSC certificate of the Serica 6190 Field Chronometer
COSC certificate of the Serica 6190 Field Chronometer

Is it better than the previous model?

In a call with the Serica founders Jérôme and Gabriel, one sentence stuck with me.

“I’m not a trained Designer. My training was putting thousands of watches on my wrist and asking myself ‘why is it magical?’ How can I create my own way without copy-and-pasting what has been done in the past?” Jérôme Burgert, co-founder of Serica

Jérôme Burgert of Serica

With this review I have been doing the exact opposite. Instead of just putting a watch on the wrist and judging how it feels, I started obsessing over the design details and specifications.

If you love watches, I think that is the wrong way to approach the hobby. You hear this sometimes from other collectors: “a 42 mm is too big for my wrist”, “I can’t wear black dials”, “15 mm is too chubby and top-heavy”… but none of these people had the watch on their wrist. There are millions of ways to design a watch and you can’t judge the aesthetics and beauty of an object by dissecting its tech sheet.

Wrist shot of the Serica 6190
Wrist shot of the Serica 6190
Pocket shot of the Serica 6190

Still I think from a Design point of view this article helped you understand what work goes into nailing the details — since the details make the product.

Is the new 6190 better than the 4512? In my eyes yes. The 4512 is still the OG that put Serica on the map. Through Serica’s new focus on reliability and accuracy through their single use of COSC-certified movements, their own design language for each model line and listening to community feedback they have found their well-earned spot within the watches landscape. I’m a fan and curious to see what their future will bring.

4 Comments

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  1. Marck 26.06.2024

    Nice review! You overlooked one thing: the much better placement of the Roman numerals, especially the XI, on the 6190. That used to bother me on the 4512.

  2. Andrew Lawman1967 18.06.2024

    Great review and exactly the level of detail I wanted.

    I’d put the old model into and out of my cart so many times I lost count, but never pulled the trigger. In contrast, I ordered the 6190 as soon as I saw it and it has quickly become one of my favorites.

  3. Paul Hubbard 17.05.2024

    Love this level of detail. And that your site has a working RSS feed - subscribed!

  4. Cyril 16.05.2024

    Your subtitle “the most detailed review you never wanted” to read is the wrongest sentence I read : this is exactly the format of reviews I adore. Details, insights, thoughts and afterthoughts. Not like most “medias” which look like a press release with 1/4 of an opinion at the end.

    So first, thank you.

    Now, the difference that strikes me the most is the lack of inner ring on the dial, which make my brain see the indexes as “lost” or “not properly arranged”. That’s why I prefer my 4512, but for sure the 6190 is a great watch.

    I have some feeling that the 4512 will become some kind of “youngtimer” in some future.

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