Omnis LUNAvsGrand Seiko SLGW005
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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.

LUNA

SLGW005
Diameter
39mm
38.8mm
Lug-to-Lug
n/a
43.7mm
Thickness
11mm
10.4mm
lowest
Water Resistance
n/a
30m
Power Reserve
48h
80h
highest
MSRP
$353
lowest
$9,700
Movement
Miyota (unspecified)
Grand Seiko 9SA4
Case
5 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The guilloché dial is a standout feature, offering a level of detail usually found on higher-priced watches. Reviewers noted the excellent value at its price point. No shared weaknesses were identified.
Owners widely praise the Grand Seiko SLGW005 for its exceptionally pleasing manual winding action and beautiful case finishing, adhering to the brand's Grammar of Design. Reviewers note its handsome appearance as a faithful recreation of a 1968 model, featuring a desirable double-signed dial and a creamy dial that owners find pure and elegant. One owner finds the Grand Seiko SLGW005 expensive but finely finished, feeling it is worth the money and has no regrets. On balance, owners and reviewers rate the Grand Seiko SLGW005 highly for its satisfying winding feel and elegant, detailed finishing.
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