AVI-8 Spitfire Lock ChronographvsCasio EFB-730D

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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

Casio EFB-730D at true scale

EFB-730D

Diameter

42mm

40mm

Lug-to-Lug

50mm

47mm

lowest

Thickness

12mm

11mm

lowest

Water Resistance

50m

100m

highest

MSRP

$260

$165

lowest

Movement

Quartz

Quartz

Case

7 specs
Diameter
42mm
40mm
Thickness
12mm
11mm
Lug-to-Lug
50mm
47mm
Lug Width
22mm
n/a
Material
316L Stainless Steel
Stainless Steel
Finish
n/a
n/a
Water Resistance
50m
100m

Crystal & Dial

3 specs
Crystal
Mineral
Sapphire
AR Coating
n/a
No
Dial Color
MIDNIGHT OAK
Black

Movement

2 specs
Caliber
n/a
n/a
Power Reserve
0h
n/a

Pricing

1 specs
MSRP
$260
$165
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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.

Casio EFB-730D

Owners widely praise the Casio EFB-730D for its 40mm size, which is considered perfect for smaller to medium wrists and versatile for strap changes with its 20mm lug width. The subtle sunburst blue dial is noted as classy and better in person than in photos, and the overall finish is considered quite good for the price. Some owners find the constantly running central seconds hand impractical, while others appreciate its straightforward Casio quartz reliability and value around $150. One owner reported the second hand sticking on the minute hand, and another found the 47mm lug-to-lug measurement wore larger than expected. Overall, owners rate the Casio EFB-730D highly for its comfortable wearability and attractive design at the price point.

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