Side by side

Christopher Ward C63 Sealander RocksvsSeiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation

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

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Rocks42.87mm
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation39.5mm
Power Reserve
C63 Sealander Rocks38h
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation45h
Water Resistance
C63 Sealander Rocks150m
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation200m
MSRP
C63 Sealander Rocks$1,405
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation$2,800

Full specifications

Case

7 specs
Category
Diver
Diameter
42.87mm
39.5mm
Thickness
11.05mm
12.3mm
Lug-to-Lug
42.87mm
47.2mm
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
150m
200m
Caseback
Display
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Yellow
Black
Lume
SLN X1 BL C1
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
SW200
6L37
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
45h
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,405
$2,800

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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.

Christopher Ward C63 Sealander Rocks

The Christopher Ward C63 Sealander Rocks is praised for its exceptional wearability and versatile design, with its 36mm case noted as fitting well on smaller wrists. Owners highlight the unique gloss dial and refined indices as particularly special, contributing to a quality that exceeds its price point. One owner reported the crown movement was less smooth than higher-end options, and the Sellita SW200 movement's rotor can be a bit loud. The Consort bracelet is noted as lighter and more conforming than the Bader, though some prefer the Bader for robustness. On balance, owners and reviewers rate the Christopher Ward C63 Sealander Rocks highly for its comfortable wearability and refined dial aesthetics at its price.

Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation

The Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation is noted for its refined, slimmed-down 39.5mm stainless steel case with a "super hard" coating and a box-shaped sapphire crystal. It offers 200 meters of water resistance and is powered by the slim Caliber 6L37 automatic movement, which has a 46-hour power reserve and an accuracy rating of -10/+15 seconds per day. Reviewers highlight its wearability and functionality as a dive watch, with one noting it as Seiko's thinnest diver ever at 12.3mm. However, concerns are raised about Seiko's continued reliance on the 62MAS design, with one reviewer wishing the Marinemaster remained a separate line, and the bracelet's end-links appearing mismatched in initial images. Its price of A$4,650 is considered high given its specifications compared to competitors.

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