Side by side

Christopher Ward C65 Dune AeolianvsSeiko 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
C65 Dune Aeolian43.6mm
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation39.5mm
Power Reserve
C65 Dune Aeolian38h
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation45h
Water Resistance
C65 Dune Aeolian150m
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation200m
MSRP
C65 Dune Aeolian$1,335
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation$2,800

Full specifications

Case

7 specs
Category
Diver
Diameter
43.6mm
39.5mm
Thickness
11.7mm
12.3mm
Lug-to-Lug
43.6mm
47.2mm
Finish
Brushed + Polished
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
Blue
Black
Lume
SLN BL Grade X1
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
$1,335
$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 C65 Dune Aeolian

The Christopher Ward C65 Dune Aeolian is widely praised for its improved textured dials, offering depth and a departure from common finishes, with owners specifically noting the stunning sandy texture and wavy dial designs. Its 38mm case is consistently highlighted for its comfortable wearability and neat proportions, featuring satin-finished steel and a compact lug-to-lug. The watch is also recognized for its excellent value, solid finishing, and practical features like 150m water resistance and a screw-down crown. Some owners report impressive accuracy, with one noting a COSC-certified movement gained only 4 seconds in five days, while another states accuracy is rated up to 20 seconds per day. The bronze case variant develops a natural, characterful patina. A short 38-hour power reserve is noted as a drawback, and some find the grey dial blends too much with the case or that the logo is abstract.

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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