Side by side

Formex Stratos UTCvsTudor Black Bay

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Stratos UTC
FormexStratos UTC
MSRP $4,663
Black Bay
TudorBlack Bay
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Formex Stratos UTC

Owners and reviewers widely praise the Formex Stratos UTC for its user-friendly flyer GMT complication, which utilizes pushers for time-zone adjustments, and its slim 11.8mm case. The watch is noted for its intricate, hand-finished case with a multi-layer construction and excellent finishing, along with a unique two-level case design. The Dubois-Depraz module on an ETA 2892 movement is a highlight, with accuracy figures ranging from +/- 5 to +/- 7 seconds per day. However, some find the dial busy with multiple typefaces and the overall design too complex or "plug ugly," with the price near €4000 considered high by some for a newer brand. Overall, owners and reviewers rate the Formex Stratos UTC highly for its innovative GMT functionality and excellent case finishing at its price point.

Tudor Black Bay

Owners widely praise the Tudor Black Bay for its comfortable wearability, robust build, and vintage-inspired aesthetics, with specific mentions of its satisfying winding feel and sturdy bezel action. Reviewers highlight the 39mm Black Bay 58's comfortable size and thinness, while others note the 41mm Master Chronometer's reliable timekeeping and magnetic resistance. Some owners find the GMT hand difficult to distinguish in low light. A recurring point of contention across multiple sources is the lack of on-the-fly micro-adjustment on the bracelet, though some find aftermarket solutions adequate. One owner reported the watch losing two minutes a day after six years, requiring a service. Overall, owners and reviewers rate the Tudor Black Bay highly for its blend of vintage charm, modern robustness, and comfortable wearability.

From video reviewers

The COSC-certified accuracy of the movement is a notable strength. The 14.7mm to 14.8mm thickness is cited as a potential drawback. Reviewers are divided on whether the newer models represent a departure from the Black Bay's heritage design.

At a glance

12 of 29 specs differ
Diameter
Stratos UTC41mm
Black Bay41mm
Power Reserve
Stratos UTC42h
Black Bay70h
Water Resistance
Stratos UTC100m
Black Bay200m
MSRP
Stratos UTC$4,663
Black Bay

Full specifications

Case

7 specs
Category
GMT
Diver
Thickness
11.8mm
14.7mm
Lug-to-Lug
47mm
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
Dial Color
Blue
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
ETA 2892
MT5602
Power Reserve
42h
70h

Pricing

1 specs
MSRP
$4,663
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