Seiko Prospex Speedtimer Mechanical ChronographvsWilliam Wood Triumph 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.

Seiko Prospex Speedtimer Mechanical Chronograph at true scale

Prospex Speedtimer Mechanical Chronograph

William Wood Triumph Chronograph at true scale

Triumph Chronograph

Diameter

42mm

41mm

Lug-to-Lug

49.5mm

49.5mm

Thickness

14.6mm

lowest

16mm

Water Resistance

100m

100m

Power Reserve

45h

n/a

MSRP

$2,500

lowest

$2,525

Movement

Seiko 8R48

Sellita SW510

Case

3 specs
Diameter
42mm
41mm
Thickness
14.6mm
16mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Curved
n/a
AR Coating
Anti-reflective coating on inner surface
n/a
Dial Color
n/a
Steel
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
Seiko 8R48
Sellita SW510
Power Reserve
45h
0h
Jewels
34
0

Pricing

1 specs
MSRP
$2,500
$2,525
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Speedtimer Mechanical Chronograph

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.

William Wood Triumph Chronograph

The William Wood Triumph Chronograph is a 41mm Swiss-made chronograph with a Sellita SW510 automatic movement, featuring numerous firefighting-inspired details like upcycled fire hose straps and a sandwich dial. Reviewers note the watch's stocky but well-balanced 41mm case, which wears large on smaller wrists due to its 16.5mm height and 49.5mm lug-to-lug measurement. The handset is described as flat and blocky, though the high-dome crystal offers a vintage aesthetic and the upcycled fire hose straps are a unique talking point. The movement is cited with a 48-hour power reserve, though commonly credited with at least 56 hours. On balance, reviewers highlight the unique design and materials of the William Wood Triumph Chronograph as its primary appeal.

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