Side by side

Bremont Supermarine ChronovsSeestern S446 GMT

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
S446 GMT
SeesternS446 GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Supermarine Chrono43mm
S446 GMT39.5mm
Power Reserve
Supermarine Chrono40h
S446 GMT41hh
Water Resistance
Supermarine Chrono300m
S446 GMT100m
MSRP
Supermarine Chrono$6,850
S446 GMT$299

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
43mm
39.5mm
Thickness
15.87mm
13mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Material
Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal Shape
Flat
Domed
Dial Color
Black
Cream

Movement

5 specs
Caliber
BE-50AE
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41hh
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$6,850
$299

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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.

Bremont Supermarine Chrono

The Bremont Supermarine Chrono's black dial and understated bezel markings allow it to transition effectively from rugged use to evening events. On balance, owners and reviewers find the Bremont Supermarine Chrono to be a handsome and functional watch, with its versatile dial design being a key strength.

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.

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