Side by side

Christopher Ward C1 MoonglowvsSeiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

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

C1 Moonglow
Christopher WardC1 Moonglow
MSRP $2,850

At a glance

14 of 29 specs differ
Diameter
C1 Moonglow47.9mm
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch39.5mm
Power Reserve
C1 Moonglow38h
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch45h
Water Resistance
C1 Moonglow30m
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch200m
MSRP
C1 Moonglow$2,850
Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch$2,800

Full specifications

Case

6 specs
Category
Diver
Diameter
47.9mm
39.5mm
Thickness
12.9mm
12.3mm
Lug-to-Lug
47.9mm
47.2mm
Finish
Brushed + Polished
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
SLN X1 WL C1
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
SW220
6L37
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
45h
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$2,850
$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 C1 Moonglow

Owners widely praise the Christopher Ward C1 Moonglow for its gorgeous, avant-garde moonphase display and impressive lume, with many finding it comfortable and well-wearing. The constantly rotating moon phase complication is a highlight, and its accuracy is noted as exceptional. However, some find the lume on the date ring disappointing, fading quickly, and one owner finds the second, less visible moon distracting. Overall, owners rate the Christopher Ward C1 Moonglow highly for its visually engaging moonphase and value at the price point.

Seiko Prospex Marinemaster Marinemaster 1965 Heritage Diver's Watch

The Seiko Prospex Marinemaster 1965 Heritage Diver's Watch is praised for its faithful re-creation of the 62MAS design, with reviewers noting improved wearability due to smaller case sizes (38mm to 40mm) and updated bracelets. Specific models feature a stainless steel case with super-hard coating, ceramic bezel, and a tool-free extension system on the bracelet. Accuracy figures vary, with one model rated at -5/+10 seconds per day and another at -10/+15 seconds per day, powered by movements like the Caliber 8L45 or 6L37 offering 72-hour or 46-hour power reserves respectively. Some reviewers point out drawbacks such as an unsigned winding crown, a lack of tool-free micro-adjust on the clasp for certain models, and a secondary GMT function on one variant. The price point, ranging from $2,800 to $3,600, is considered high by some, especially when compared to other Seiko or Grand Seiko offerings.

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