Side by side

CWC 1987 SBS Quartz Diver Re-Issue WatchvsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

1987 SBS Quartz Diver Re-Issue Watch
CWC1987 SBS Quartz Diver Re-Issue Watch
MSRP $749

At a glance

14 of 29 specs differ
Diameter
1987 SBS Quartz Diver Re-Issue Watch41mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
1987 SBS Quartz Diver Re-Issue Watch40h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
1987 SBS Quartz Diver Re-Issue Watch300m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
1987 SBS Quartz Diver Re-Issue Watch$749
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
41mm
42mm
Thickness
12mm
14.6mm
Lug-to-Lug
47mm
49.5mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
1987 SBS Quartz Diver Re-Issue Watch (SF300-87)
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
8R48
Type
Quartz
Automatic
Power Reserve
40h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$749
$2,500

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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.

CWC 1987 SBS Quartz Diver Re-Issue Watch

Owners widely report the CWC 1987 SBS Quartz Diver Re-Issue Watch as very hard-wearing, with good seconds hand alignment and perfect bezel alignment with crisp action. The lume is described as pretty good despite fauxtina, and the watch gains approximately 3 seconds per month. Some owners consider the CWC 1987 SBS Quartz Diver Re-Issue Watch overpriced, while others appreciate its bombproof, toolish design and military heritage.

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.

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