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.

Seiko Prospex Speedtimer Mechanical Datsun 240Z Limited Edition at true scale

Prospex Speedtimer Mechanical Datsun 240Z Limited Edition

William Wood Triumph Chronograph at true scale

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 specs
Diameter
39.5mm
41mm
Thickness
12mm
16mm
Lug-to-Lug
44.5mm
49.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

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 6R55
Sellita SW510
Power Reserve
72h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$1,150
$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 Datsun 240Z Limited Edition

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.

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.