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Alexander James Watches A3 OmenvsSeiko Prospex Land Mechanical GMT

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

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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.

Alexander James Watches A3 Omen

Owners widely praise the Alexander James Watches A3 for its exceptional value, with one owner calling the $75 price a steal, especially with a gold milanese bracelet. The dial's ability to shift appearance under different lighting conditions is a frequently admired trait, and the BGW9 Superluminova is described as great, though not the brightest. One owner noted the 39mm case diameter and 20mm lug width. Overall, owners rate the Alexander James Watches A3 highly for its striking dial and remarkable value proposition.

Seiko Prospex Land Mechanical GMT

Owners widely praise the Seiko Prospex Land Mechanical GMT for its faithful reconstruction of a classic design, comfortable bracelet, and attractive gray dial with a bubbly crystal. Reviewers highlight its handsome everyday sports watch appeal, solid specifications, and classic Seiko diver aesthetics, offering great value. However, community members are divided on the 6R movement's accuracy, with some reporting significant deviations even after regulation, while others find it competitive for the price. A point of contention is the GMT function, with some wishing for a "flyer" style local jump GMT instead of the "caller" type, and the internal compass bezel is described as finicky and difficult to read. Owners generally consider the Seiko Prospex Land Mechanical GMT overpriced at its retail price, suggesting better value is found on sale or closer to $700.

At a glance

13 of 29 specs differ
Diameter
A3 Omen38mm
Prospex Land Mechanical GMT39.5mm
Power Reserve
A3 Omen
Prospex Land Mechanical GMT72h
Water Resistance
A3 Omen100m
Prospex Land Mechanical GMT200m
MSRP
A3 Omen$650
Prospex Land Mechanical GMT$1,150

Full specifications

Case

5 specs
Category
GMT
Diameter
38mm
39.5mm
Thickness
10.4mm
13.6mm
Lug-to-Lug
46mm
46.4mm
Water Resistance
100m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$650
$1,150
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