Side by side

AVI-8 Spitfire Smith AutomaticvsSeiko Monster

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 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 Monster

Owners widely praise the Seiko Prospex Sea for its excellent value, robust build, and superb lume, with many noting its comfortable wearability. Reviewers consistently highlight its impressive finishing and classic dive watch design, often comparing it favorably to older models. Some owners find the size substantial, with one noting it as big, thick, and heavy on a 6.5-inch wrist, while others find it perfect. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and robust, classic dive watch design.

At a glance

13 of 29 specs differ
Diameter
Spitfire Smith Automatic42mm
Monster42.4mm
Power Reserve
Spitfire Smith Automatic
Monster41h
Water Resistance
Spitfire Smith Automatic50m
Monster200m
MSRP
Spitfire Smith Automatic$490
Monster$550

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
42mm
42.4mm
Thickness
13.4mm
Lug-to-Lug
49.4mm
Lug Width
22mm
20mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
Crystal
Mineral
Hardlex
Dial Color
WOOLSTON
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$490
$550
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