Defakto DialogvsGrand Seiko SBGY007

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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.

Defakto Dialog at true scale

Dialog

Grand Seiko SBGY007 at true scale

SBGY007

Diameter

40mm

38.5mm

Lug-to-Lug

46.8mm

43.7mm

lowest

Thickness

6.6mm

lowest

10.2mm

Water Resistance

50m

highest

30m

Power Reserve

n/a

72h

MSRP

n/a

$8,900

Movement

Ronda 712

Grand Seiko 9R31

Case

5 specs
Diameter
40mm
38.5mm
Thickness
6.6mm
10.2mm
Lug-to-Lug
46.8mm
43.7mm
Lug Width
n/a
19mm
Water Resistance
50m
30m

Crystal & Dial

1 specs
AR Coating
n/a
Yes

Movement

3 specs
Caliber
Ronda 712
Grand Seiko 9R31
Type
Quartz
Spring Drive
Power Reserve
0h
72h

Pricing

1 specs
MSRP
n/a
$8,900
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Reviews

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

Defakto Dialog

Owners widely praise the Defakto Dialog for its extreme minimalism and grab-and-go design, with one owner noting its 40mm size enhances readability. The watch is also recognized for its solid quality for the value, featuring an in-house case by Ickler and a slim 6.6mm thickness. Some owners question the practicality of a single-hand watch for daily wear. Overall, owners rate the Defakto Dialog highly for its handcrafted, minimalistic aesthetic and value.

Grand Seiko SBGY007

The Grand Seiko SBGY007 is widely lauded for its exceptionally beautiful, textured blue dial inspired by frozen Lake Suwa and its clean, time-only design. Owners and reviewers consistently praise its impeccable finishing, including high polish and Zaratsu polishing, and its classic, thin 38.5mm dress case. The Spring Drive 9R31 movement, with its smooth seconds hand and 72-hour power reserve, is also a significant point of appreciation, with one source noting its accuracy is rated to ±1 second per day. Some purists might prefer an even thinner case, and the $8,300 price is considered fair, though some feel there is room for improvement in Grand Seiko's pricing structure. Overall, owners and reviewers rate the Grand Seiko SBGY007 highly for its stunning dial and exquisite finishing at its price point.

From video reviewers

The "Omiwatari" dial's texture and color are consistently praised. The manual-wind Spring Drive movement is a notable feature, though its convenience is debated.