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Christopher Ward C63 Sealander Extreme GMTvsSeiko 62MAS

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075
62MAS
Seiko62MAS
MSRP $1,200
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Seiko 62MAS

The Seiko Prospex Sea 1965 Heritage Diver's Watch is praised for its vintage-inspired finishing, crisp bezel action, and build quality. Owners widely report the movement averages within +/- 10 seconds per day, though some note accuracy issues. The 40mm case size is considered by some to wear larger than expected, and the price point is a subject of debate, with some finding it too high and others fair. The watch features a 72-hour power reserve from the Caliber 6R55 movement, a 300-meter depth rating, and a box-shaped sapphire crystal. On balance, owners and reviewers appreciate the Seiko Prospex Sea 1965 Heritage Diver's Watch for its refined design and solid build quality, despite some reservations about its price and perceived size.

At a glance

15 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
62MAS40.5mm
Power Reserve
C63 Sealander Extreme GMT56h
62MAS70h
Water Resistance
C63 Sealander Extreme GMT150m
62MAS200m
MSRP
C63 Sealander Extreme GMT$2,075
62MAS$1,200

Full specifications

Case

6 specs
Category
GMT
Diver
Diameter
40mm
40.5mm
Thickness
12.05mm
13.2mm
Lug-to-Lug
48mm
47.6mm
Lug Width
22mm
20mm
Water Resistance
150m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
SLN X1 BL / GL
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW330-2
6R35
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
70h
Jewels
25
24
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$1,200
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