Side by side

Seestern S446 GMTvsFormex Stratos UTC

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

S446 GMT
SeesternS446 GMT
MSRP $299
Stratos UTC
FormexStratos UTC
MSRP $4,663

At a glance

12 of 29 specs differ
Diameter
S446 GMT39.5mm
Stratos UTC41mm
Power Reserve
S446 GMT41hh
Stratos UTC42h
Water Resistance
S446 GMT100m
Stratos UTC100m
MSRP
S446 GMT$299
Stratos UTC$4,663

Full specifications

Case

3 specs
Diameter
39.5mm
41mm
Thickness
13mm
11.8mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Crystal Shape
Domed
Flat
Dial Color
Cream
Blue
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Seiko NH34A GMT
ETA 2892
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
42h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$4,663

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What people say

Owners + reviewers, side by side

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

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

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.

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