Alexander James Watches A3 Omen IIvsSeiko King Seiko KSK
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

A3 Omen II

King Seiko KSK
Diameter
38mm
38.6mm
Lug-to-Lug
46mm
45.8mm
lowest
Thickness
10.4mm
lowest
10.7mm
Water Resistance
100m
highest
50m
Power Reserve
n/a
45h
MSRP
$650
lowest
$3,300
Movement
Miyota 9039
Seiko 6L35
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Alexander James Watches A3 Omen II for its value and specifications, specifically noting the regulated Miyota 9039 movement and sapphire crystal. One owner adores the watch, calling it their new favorite and appreciating the updated green crystal and the dial's changing personalities in different lighting. However, the full brand name on the dial is seen by some as tacky and detracting from the aesthetic. On balance, owners rate the Alexander James Watches A3 Omen II highly for its perceived value and the engaging dial and crystal.
The Seiko King Seiko KSK is praised for its slim, retro design with sharply faceted lugs and well-executed dials, featuring a mix of brushed and polished finishes. Owners and reviewers consistently highlight the Grand Seiko-level dial and case finishing, the double-bevel sapphire crystal, and an unusually nice bracelet. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day and another noting +15/-10 seconds per day for the 6L35 movement. Some owners question the value proposition at its price point, particularly when considering the movement. Overall, owners and reviewers appreciate the King Seiko KSK for its refined retro aesthetic and high-quality finishing, despite some reservations about its price and movement in certain configurations.
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