Depancel AutosportvsSeiko Prospex Speedtimer Mechanical Chronograph
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Autosport
Prospex Speedtimer Mechanical Chronograph
Diameter
39mm
42mm
Lug-to-Lug
46mm
lowest
49.5mm
Thickness
12.6mm
lowest
14.6mm
Water Resistance
50m
100m
highest
Power Reserve
40h
45h
highest
MSRP
$870
lowest
$2,500
Movement
Miyota 9122
Seiko 8R48
Case
5 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The full calendar complication is a distinguishing feature. The choice of movement is a point of contention.
The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design and clean, balanced dial layout, enhanced by an external tachymeter bezel. Reviewers note the adequate caliber 8R48 movement, which features a vertical clutch and column wheel with MEMS technology for durability and precision. The refined bracelet offers improved comfort, and the overall package is considered good value for a well-designed chronograph with an in-house movement. Points to consider include the 4:30 date window and a thickness of 14.6mm, while the 45-hour power reserve is an area for potential improvement. On balance, reviewers rate the Seiko Prospex SPEEDTIMER Mechanical Chronograph highly for its attractive design and solid chronograph functionality at its price point.
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