Side by side

Bremont Supermarine ChronovsChristopher Ward C63 Sealander Extreme GMT

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

Supermarine Chrono
BremontSupermarine Chrono
MSRP $6,850
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075

At a glance

12 of 29 specs differ
Diameter
Supermarine Chrono43mm
C63 Sealander Extreme GMT40mm
Power Reserve
Supermarine Chrono40h
C63 Sealander Extreme GMT56h
Water Resistance
Supermarine Chrono300m
C63 Sealander Extreme GMT150m
MSRP
Supermarine Chrono$6,850
C63 Sealander Extreme GMT$2,075

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
43mm
40mm
Thickness
15.87mm
12.05mm
Lug-to-Lug
48mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

1 specs
Lume
None
SLN X1 BL / GL

Movement

4 specs
Caliber
BE-50AE
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT

Pricing

1 specs
MSRP
$6,850
$2,075

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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.

Christopher Ward C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

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