AVI-8 Spitfire Lock ChronographvsSeiko Coutura
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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.

Spitfire Lock Chronograph

Coutura
Diameter
42mm
42mm
Lug-to-Lug
50mm
lowest
50.2mm
Thickness
12mm
11.8mm
lowest
Water Resistance
50m
100m
highest
MSRP
$260
lowest
$550
Movement
Quartz
Seiko 8T63
Case
5 specsCrystal & Dial
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely appreciate the AVI-8 Spitfire Lock Chronograph's compelling design, drawing inspiration from Supermarine Spitfires with details like a prominent crown and rivets, and find the build quality excellent for the price. The watch features a 42mm stainless steel case with curved lugs for wearability, a bi-compax layout with subdials for elapsed time and a 24-hour scale, and black lume that glows green. Some owners note that AVI-8 watches offer something different and are decently well-made, though not of insane quality, and one reviewer found the included leather strap and bracelet to be the weakest aspects. On balance, owners and reviewers rate the AVI-8 Spitfire Lock Chronograph highly for its striking design and good value at its price point.
Owners widely appreciate the Seiko Coutura's wear-resistant metal treatments, with one reporting minimal scratching after six years. The solar perpetual calendar and radio-controlled accuracy are noted as appealing features, contributing to the watch's value. Some owners find the design visually captivating and attractive, while others describe it as busy, gaudy, or not suitable as a sole daily watch. The proprietary bracelet is a point of contention for some, with one owner not yet sold on it. One owner finds the solar power reserve problematic, requiring constant light exposure. Overall, owners rate the Seiko Coutura highly for its value and appealing solar and radio-controlled features, despite some finding its styling polarizing.
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