Knot Watches SAC-40SSVvsGrand Seiko SBGP015

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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.

Knot Watches SAC-40SSV at true scale

SAC-40SSV

Grand Seiko SBGP015 at true scale

SBGP015

Diameter

40mm

40mm

Lug-to-Lug

n/a

47.1mm

Thickness

11.5mm

lowest

12.4mm

Water Resistance

200m

200m

MSRP

$296

lowest

$3,800

Movement

Seiko Epson PX82

Grand Seiko 9F85

Case

4 specs
Thickness
11.5mm
12.4mm
Lug-to-Lug
n/a
47.1mm
Lug Width
n/a
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

1 specs
Caliber
Seiko Epson PX82
Grand Seiko 9F85

Pricing

1 specs
MSRP
$296
$3,800
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Reviews

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

Knot Watches SAC-40SSV

Owners widely praise the Knot Watches SAC-40SSV for its Seiko-like finishing and attractive price point, with many appreciating its light feel and the quality of the strap and deployment buckle, though some find it initially stiff. The 40mm size is a point of contention, with some finding it comfortable and a favorite, while others consider it too large and prefer the 38mm variant. A recurring criticism is the small, awkwardly placed crown, which makes winding difficult. One owner also noted poor engraving and considered the watch to be primarily a fashion piece. Overall, owners rate the Knot Watches SAC-40SSV positively for its finishing and value, despite some reservations about the crown design and sizing.

Grand Seiko SBGP015

Owners widely praise the Grand Seiko SBGP015 for its exceptional dial print, which casts sharp shadows under light, and its versatility, classiness, and substantial feel. The Grand Seiko 9F85 quartz movement is noted for excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is 40mm with 200m water resistance. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and reliable quartz movement.

From video reviewers

The high accuracy of the Caliber 9F85 quartz movement is a significant strength. Reviewers noted the movement's ±10 seconds per year accuracy. The limited 100-meter water resistance was cited as a potential drawback.

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