Side by side

AVI-8 Spitfire Smith AutomaticvsSeiko Prospex Sea

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

Spitfire Smith Automatic
AVI-8Spitfire Smith Automatic
MSRP $490
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

13 of 29 specs differ
Diameter
Spitfire Smith Automatic42mm
Prospex Sea43.8mm
Power Reserve
Spitfire Smith Automatic40h
Prospex Sea41h
Water Resistance
Spitfire Smith Automatic50m
Prospex Sea200m
MSRP
Spitfire Smith Automatic$490
Prospex Sea$625

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
42mm
43.8mm
Thickness
12.8mm
Lug-to-Lug
48.7mm
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
WOOLSTON
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$490
$625

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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 Smith Automatic

Owners praise the AVI-8 Spitfire Smith Automatic for its dial depth created by elevated numerals, a deeply signed buckle, and detailed case sides. The watch is also noted for being practically mark-free with no dings found, and comes with a barely worn brown leather AVI-8 OEM strap. On balance, owners rate the AVI-8 Spitfire Smith Automatic highly for its detailed finishing and pristine condition.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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