Dumoreau DM02 Pérpetuel GalleryvsGrand Seiko SBGA375

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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.

Dumoreau DM02 Pérpetuel Gallery at true scale

DM02 Pérpetuel Gallery

Grand Seiko SBGA375 at true scale

SBGA375

Diameter

39mm

40mm

Lug-to-Lug

46mm

lowest

46.2mm

Thickness

9.5mm

lowest

12.5mm

Water Resistance

100m

100m

Power Reserve

42h

72h

highest

MSRP

$1,250

lowest

$5,600

Movement

Sellita SW210-1

Grand Seiko 9R65

Case

4 specs
Diameter
39mm
40mm
Thickness
9.5mm
12.5mm
Lug-to-Lug
46mm
46.2mm
Lug Width
n/a
19mm

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW210-1
Grand Seiko 9R65
Type
Manual
Spring Drive
Power Reserve
42h
72h

Pricing

1 specs
MSRP
$1,250
$5,600
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Reviews

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

Dumoreau DM02 Pérpetuel Gallery

Owners widely praise the Dumoreau DM02 PÉRPETUEL GALLERY for its elegant, architect-designed 39mm case, beautiful dial colors, and excellent finishing, particularly on the hand-wound Sellita SW210-1 movement. Reviewers and owners alike highlight the pleasing textures, well-printed indices, mirror-like case polish, unsigned crown, and striking blued hands as standout features. One owner notes its resemblance to a well-known luxury brand, and its GPHG award nomination is also mentioned. The manual-wind Sellita SW210-1 movement is appreciated for its thin profile, though one reviewer states its accuracy is +/-7 seconds per day, outside COSC specifications. Overall, owners and reviewers rate the Dumoreau DM02 PÉRPETUEL GALLERY highly for its sophisticated design and refined finishing at its price point.

Grand Seiko SBGA375

Grand Seiko SBGA375 owners praise its dial, Spring Drive movement, design, and finishing, with one owner mesmerized by the totality of the piece. Reviewers note the dial's legibility, even in low light, and the polished bevels on the hour markers that catch light well. One owner scuffed the bezel within a week of ownership. Some find other Grand Seiko models more appealing, and one user questioned if a lug was missing. Overall, owners rate the Grand Seiko SBGA375 highly for its subtle design and the engineering of its Spring Drive movement.

From video reviewers

The Spring Drive movement's smooth sweep is a key strength. The bracelet's taper and clasp were cited as areas for improvement.