Side by side

Bremont Supermarine ChronovsTudor Black Bay One 31

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
Black Bay One 31
TudorBlack Bay One 31
MSRP $4,600

At a glance

13 of 29 specs differ
Diameter
Supermarine Chrono43mm
Black Bay One 3131mm
Power Reserve
Supermarine Chrono40h
Black Bay One 3150h
Water Resistance
Supermarine Chrono300m
Black Bay One 31100m
MSRP
Supermarine Chrono$6,850
Black Bay One 31$4,600

Full specifications

Case

9 specs
Category
Chronograph
Diver
Diameter
43mm
31mm
Thickness
15.87mm
9.5mm
Lug-to-Lug
46mm
Lug Width
22mm
17mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

2 specs
Caliber
BE-50AE
MT5201
Power Reserve
40h
50h

Pricing

1 specs
MSRP
$6,850
$4,600

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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.

Tudor Black Bay One 31

Owners widely report the Tudor Black Bay One 31's polished case and bracelet scratch easily, though its wearability under gloves and robust movement are praised. Some desire more micro-adjustment options on the clasp, and a lack of contrast between the silver dial and hands is noted. The 31mm size may be a consideration for daily wear due to its 50-hour power reserve. On balance, owners and reviewers appreciate the Tudor Black Bay One 31 for its comfortable wearability and robust movement, despite concerns about case scratching and clasp adjustability.

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