Seiko Prospex Speedtimer Mechanical Datsun 240Z Limited EditionvsWilliam 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.

Prospex Speedtimer Mechanical Datsun 240Z Limited Edition

Triumph Chronograph
Diameter
39.5mm
41mm
Lug-to-Lug
44.5mm
lowest
49.5mm
Thickness
12mm
lowest
16mm
Water Resistance
200m
highest
100m
Power Reserve
72h
n/a
MSRP
$1,150
lowest
$2,525
Movement
Seiko 6R55
Sellita SW510
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.
Owners widely praise the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition for its vintage racing concept, applied markers, and dial that shifts from cream to silver with orange accents. Some owners note Seiko's top-notch finishing compared to microbrands and appreciate the comfortable bracelet and dual crowns. However, some owners find the dial text cluttered, particularly "Automatic 3 Days," and consider the price point too high, suggesting a lower figure would be more appropriate. One reviewer flags the 39.5mm size as potentially too small, while another notes the lack of screw-down crowns, though still finds the 20 bar water resistance impressive. On balance, owners rate the Seiko Prospex SPEEDTIMER Mechanical Datsun 240Z Limited Edition highly for its vintage inspiration and solid finishing, despite some reservations about its pricing and dial text.
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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