AVI-8 Spitfire Lock ChronographvsPraesidus Type H-75
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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

Type H-75
Diameter
42mm
39mm
Lug-to-Lug
50mm
n/a
Thickness
12mm
n/a
Water Resistance
50m
100m
highest
MSRP
$260
lowest
$275
Movement
Quartz
Seiko VK63
Case
6 specsCrystal & Dial
2 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.
The Praesidus Type H-75 is praised for capturing mid-century pilot chronograph style at an approachable $245 price, featuring a utilitarian 39mm steel case with a gear-toothed bezel and an attractive dial with raised Arabic numerals and an aged texture. Some owners find the mustard-yellow lume and sapphire-coated mineral crystal to be drawbacks. One owner expressed regret with their purchase, while another found it likable for the price. Overall, owners and reviewers find the Praesidus Type H-75 to be a compelling option for its vintage aesthetic and accessible price point.
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