Side by side

Bremont Supermarine ChronovsGrand Seiko SLGW005

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
SLGW005
Grand SeikoSLGW005
MSRP $9,700

At a glance

12 of 29 specs differ
Diameter
Supermarine Chrono43mm
SLGW00538.8mm
Power Reserve
Supermarine Chrono40h
SLGW00580h
Water Resistance
Supermarine Chrono300m
SLGW00530m
MSRP
Supermarine Chrono$6,850
SLGW005$9,700

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
43mm
38.8mm
Thickness
15.87mm
10.4mm
Lug-to-Lug
43.7mm
Lug Width
22mm
19mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
BE-50AE
9SA4
Type
Automatic
Manual
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$6,850
$9,700

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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 SLGW005

The Grand Seiko SLGW005 is lauded for its faithful recreation of the 1968 45GS, featuring a desirable double-signed dial and a beautifully finished case adhering to the Grammar of Design. It is powered by the new 9SA4 manual-winding, high-beat movement, offering an 80-hour power reserve and a mean daily rate of -3/+5 seconds. Owners consider it a "gloriously perfect" and "pure and elegant expression" of Grand Seiko's strengths, with one owner preferring its creamy dial over a more pronounced beige found on other models. Overall, owners and reviewers rate the Grand Seiko SLGW005 highly for its elegant design and impressive high-beat movement.

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