Spinnaker Spence 300vsWilliam Wood Valiant
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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.

Spence 300

Valiant
Diameter
40mm
41mm
Lug-to-Lug
48mm
lowest
49mm
Thickness
11.5mm
lowest
15mm
Water Resistance
300m
highest
100m
MSRP
$650
lowest
$820
Movement
Seiko NH35
Seiko NH35
Case
4 specsCrystal & Dial
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Spinnaker Spence 300 for its slim 10.9mm case and 40mm diameter, offering a comfortable and versatile wear. Reviewers and owners alike highlight its value, with some seeing it as a budget alternative to more expensive dive watches. The watch features a Seiko NH35 automatic movement and 300m water resistance. However, some community members find the dial printing and bracelet finishing to be less refined, and a few suggest other brands offer better value at similar price points. On balance, owners and reviewers rate the Spinnaker Spence 300 highly for its impressive case dimensions and overall value proposition.
The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.
Owners praise the William Wood Valiant's unique, conversation-starting design inspired by British Fire Exit signs, featuring a gunmetal gray PVD-coated 41mm steel case and a strap made from recycled fire hose. Reviewers highlight the playful "Fire Exit man" graphics on the day/date indicators and rotor as notable elements. One owner considers the price of over £900 to be excessive. The watch uses a Seiko NH35 automatic movement and is water-resistant to 100 meters. On balance, owners and reviewers appreciate the William Wood Valiant for its distinctive theme and use of upcycled materials, despite some finding the price high.
The case finishing is praised for its unique use of upcycled firefighting materials. The price is considered high relative to the movement specifications.
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