Side by side

AVI-8 Spitfire Lock ChronographvsCasio GBM-2100A

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

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

AVI-8 Spitfire Lock Chronograph

Owners widely report AVI-8 watches offer a compelling design and are decently well made for the price. The AVI-8 Spitfire Lock Chronograph features a 42mm stainless steel case with curved lugs, a bi-compax meca-quartz movement, and a mineral crystal, with design elements inspired by Supermarine Spitfires. One owner notes that AVI-8 watches are "something different" and "decently well made," though not of "insane quality." On balance, owners and reviewers appreciate the AVI-8 Spitfire Lock Chronograph for its unique design and value proposition.

Casio GBM-2100A

The premium stainless steel bezel and Bluetooth connectivity are highlighted strengths. The increased mass from the metal bezel is noted as a potential drawback for some wearers. Reviewers differ on its value proposition compared to other G-Shock models.

At a glance

13 of 29 specs differ
Diameter
Spitfire Lock Chronograph42mm
GBM-2100A44.4mm
Power Reserve
Spitfire Lock Chronograph
GBM-2100A
Water Resistance
Spitfire Lock Chronograph50m
GBM-2100A200m
MSRP
Spitfire Lock Chronograph$260
GBM-2100A$280

Full specifications

Case

8 specs
Category
Chronograph
Sport
Diameter
42mm
44.4mm
Thickness
12mm
11.9mm
Lug-to-Lug
50mm
49.3mm
Lug Width
22mm
Material
316L Stainless Steel
Bio-based Resin / Stainless steel
Finish
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
No
Dial Color
MIDNIGHT OAK
Silver

Movement

2 specs
Caliber
Power Reserve
0h

Pricing

1 specs
MSRP
$260
$280
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