Side by side

Christopher Ward C1 MoonglowvsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

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

The Christopher Ward C1 Moonglow is widely praised for its comfort, wearability at 40.5mm, and impressive lume, with owners calling it gorgeous, unique, and the coolest moonphase for the money. The moonphase complication is noted as constantly rotating, and one owner reports it accurate to within 1 day every 128 years. Some criticism exists regarding the dual moon phase display, where the inactive moon is visible through a translucent cover, and the lume on the date ring is less bright and fades faster than other luminous elements. One owner specifically loves the opaque blue moonphase dial of the LE Celestial Blue variant. Overall, owners and reviewers find the Christopher Ward C1 Moonglow a visually engaging and comfortable watch, particularly for its price point, with its unique dial design and strong lume being significant draws.

Seiko Prospex SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

At a glance

15 of 29 specs differ
Diameter
C1 Moonglow40mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
C1 Moonglow38h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
C1 Moonglow30m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
C1 Moonglow$3,050
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

5 specs
Category
Chronograph
Diameter
40mm
42mm
Thickness
12.9mm
14.6mm
Lug-to-Lug
47.9mm
49.5mm
Water Resistance
30m
100m

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Lume
SLN X1 WL C1
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
SW220-1
8R48
Beat Rate
4 vph
0 vph
Power Reserve
38h
45h
Jewels
26
34
Complications
Moonphase, Day-date
None

Pricing

1 specs
MSRP
$3,050
$2,500
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