Side by side

AVI-8 Spitfire Lock ChronographvsSeiko Astron GPS Solar 2026 Limited Edition

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

Spitfire Lock Chronograph
AVI-8Spitfire Lock Chronograph
MSRP $260
Astron GPS Solar 2026 Limited Edition
SeikoAstron GPS Solar 2026 Limited Edition
MSRP $2,400

At a glance

13 of 29 specs differ
Diameter
Spitfire Lock Chronograph42mm
Astron GPS Solar 2026 Limited Edition41.2mm
Power Reserve
Spitfire Lock Chronograph40h
Astron GPS Solar 2026 Limited Edition40h
Water Resistance
Spitfire Lock Chronograph50m
Astron GPS Solar 2026 Limited Edition100m
MSRP
Spitfire Lock Chronograph$260
Astron GPS Solar 2026 Limited Edition$2,400

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
42mm
41.2mm
Lug-to-Lug
50mm
48.6mm
Lug Width
22mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
50m
100m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
Inner
Super-clear coating
Dial Color
MIDNIGHT OAK
Black
Lume
None
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
3X62
Jewels
25
10

Pricing

1 specs
MSRP
$260
$2,400

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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.

Seiko Astron GPS Solar 2026 Limited Edition

The Seiko Astron GPS Solar 2026 Limited Edition is noted for its advanced GPS timekeeping that automatically updates time and date via satellite signals, powered by light to eliminate battery changes. Owners appreciate its design and texture, and the legible dial despite its complexity, with one owner preferring its less overloaded appearance over other Astron models. However, the GPS function requires a clear outdoor line-of-sight to the sky for reception, which can be an issue indoors or in dense urban environments, and DST is not implemented. The watch is priced over $2,000, and while it features a perpetual calendar, it only displays the date. Overall, owners and reviewers find the Seiko Astron GPS Solar 2026 Limited Edition a functional and appealing watch, particularly for its automatic timekeeping and solar power, though its GPS reception limitations and price point are noted considerations.

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