Serica Ref. 8315 Travel ChronometervsFormex Stratos UTC
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Ref. 8315 Travel Chronometer

Stratos UTC
Diameter
39mm
41mm
Lug-to-Lug
46.5mm
lowest
47mm
Thickness
12.3mm
11.8mm
lowest
Water Resistance
200m
highest
100m
Power Reserve
42h
42h
MSRP
$2,479
lowest
$4,663
Movement
Soprod C125
ETA 2892-A2
Case
4 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers praise the Serica Ref. 8315 Travel Chronometer for its unique neo-vintage aesthetic, comfortable 39mm size, and distinctive day/night bezel design. The Soprod C125 automatic movement is noted, with a 40-hour power reserve. Some find the mirrored 12-hour bezel less practical than a traditional 24-hour bezel, and the lack of a date function is a drawback for some. The aggressive taper of the leather strap and its lug-to-lug distance of 46.5mm are also points of discussion. Overall, owners and reviewers appreciate the Serica Ref. 8315 Travel Chronometer for its distinctive design and comfortable wearability, despite some functional trade-offs.
Owners and reviewers widely praise the Formex Stratos UTC for its innovative flyer GMT complication operated by pushers and its slim 11.8mm case, which contributes to comfortable wearability. The intricate, hand-finished case construction and multi-layer dial are frequently highlighted as strengths, with some noting an "Hermes vibe" on leather. Accuracy is reported within a range of +/- 5 to +/- 7 seconds per day. However, some find the dial design busy with multiple fonts and the overall aesthetic too technical for certain occasions. The price point, around €4000 or $3990, is considered a step up for the brand but competitive for the features offered. Overall, owners and reviewers rate the Formex Stratos UTC highly for its user-friendly GMT functionality and excellent case finishing at its price point.
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