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.

Omnis LUNA at true scale

LUNA

Grand Seiko SLGW005 at true scale

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 specs
Diameter
39mm
38.8mm
Thickness
11mm
10.4mm
Lug-to-Lug
n/a
43.7mm
Lug Width
20mm
19mm
Water Resistance
n/a
30m

Crystal & Dial

2 specs
AR Coating
n/a
Yes
Dial Color
n/a
n/a

Movement

3 specs
Caliber
Miyota (unspecified)
Grand Seiko 9SA4
Type
Automatic
Manual
Power Reserve
48h
80h

Pricing

1 specs
MSRP
$353
$9,700
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omnis LUNA

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.

Grand Seiko SLGW005

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.