Side by side

Bremont Supermarine ChronovsTissot Seastar 1000 Powermatic 80 GMT

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
Seastar 1000 Powermatic 80 GMT
TissotSeastar 1000 Powermatic 80 GMT
MSRP $1,375

At a glance

12 of 29 specs differ
Diameter
Supermarine Chrono43mm
Seastar 1000 Powermatic 80 GMT46mm
Power Reserve
Supermarine Chrono40h
Seastar 1000 Powermatic 80 GMT80h
Water Resistance
Supermarine Chrono300m
Seastar 1000 Powermatic 80 GMT300m
MSRP
Supermarine Chrono$6,850
Seastar 1000 Powermatic 80 GMT$1,375

Full specifications

Case

5 specs
Category
Chronograph
GMT
Diameter
43mm
46mm
Thickness
15.87mm
15.4mm
Lug-to-Lug
46mm
Material
Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
BE-50AE
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$6,850
$1,375

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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.

Tissot Seastar 1000 Powermatic 80 GMT

Owners widely praise the Tissot Seastar 1000 Powermatic 80 GMT for its excellent build quality, smooth winding feel, and the reliable Powermatic 80 movement providing an 80-hour power reserve. Reviewers highlight its remarkable value under $700, comfortable wearability, and appealing case/dial ratio. Some owners note the bezel's functionality for tracking a second time zone and the need to adjust the hour hand for date setting, a characteristic of its "True" GMT function. The rubber strap is considered comparable to those found on significantly more expensive watches. However, concerns exist regarding the movement's serviceability due to potential plastic components and reliance on Swatch Group service centers. Some find the bezel font and dial spacing unappealing, while others question the mineral glass bezel insert as a cost-cutting measure compared to ceramic. Accuracy is generally reported as good, though not COSC certified, and lume intensity is described as average by one owner.

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