AVI-8 Spitfire Lock ChronographvsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

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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.

AVI-8 Spitfire Lock Chronograph at true scale

Spitfire Lock Chronograph

Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition at true scale

Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

Diameter

42mm

39mm

Lug-to-Lug

50mm

45.5mm

lowest

Thickness

12mm

lowest

13.3mm

Water Resistance

50m

100m

highest

MSRP

$260

lowest

$700

Movement

Quartz

Seiko V192

Case

6 specs
Diameter
42mm
39mm
Thickness
12mm
13.3mm
Lug-to-Lug
50mm
45.5mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
MIDNIGHT OAK
n/a
Lume
None
LumiBrite on hands and index(es)

Movement

1 specs
Caliber
n/a
Seiko V192

Pricing

1 specs
MSRP
$260
$700
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

AVI-8 Spitfire Lock Chronograph

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.

Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

The Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition is widely praised for its attractive retro-inspired looks, good proportions, and functional solar dials. Owners and reviewers consistently highlight its vintage-inspired design, with some noting its neo-vintage Daytona flair and Pogue-inspired colorways. The 39mm case size is considered highly wearable and appealing for a vintage feel, and the chronograph pushers are described as a joy to operate. The solar-powered V192 movement is appreciated for its low-maintenance wearability and accuracy of ±15 seconds per month, with a power reserve of up to six months. However, some reviewers find the sub-dials and date window can be hard to read in certain lighting, and the bracelet clasp offers limited micro-adjustment. One owner also noted a slightly misaligned chronograph seconds hand at zero.

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