Side by side

Bremont Supermarine ChronovsGrand Seiko SLGB023

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
SLGB023
Grand SeikoSLGB023
MSRP $12,400

At a glance

11 of 29 specs differ
Diameter
Supermarine Chrono43mm
SLGB02340.8mm
Power Reserve
Supermarine Chrono40h
SLGB02372h
Water Resistance
Supermarine Chrono300m
SLGB023300m
MSRP
Supermarine Chrono$6,850
SLGB023$12,400

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
43mm
40.8mm
Thickness
15.87mm
12.9mm
Lug-to-Lug
48.5mm
Lug Width
22mm
21mm
Material
Stainless Steel (DLC coated)
Titanium

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
BE-50AE
9RB1
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$6,850
$12,400

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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.

Grand Seiko SLGB023

Owners and reviewers widely praise the Grand Seiko SLGB023 for its comfortable 40.8mm titanium case and the smooth winding feel of its Spring Drive 9RB1 movement. The dial's gradient blue "ushio" motif is a highlight, though some reviewers note the bezel's fully lumed scale as a missed opportunity. Enthusiasts are divided on the power reserve indicator's placement and the design of the hour and minute hands. Overall, owners and reviewers rate the Grand Seiko SLGB023 highly for its comfortable titanium case and the refined Spring Drive movement.

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