Grand Seiko SBGM245vsWolbrook Skindiver WT Automatic

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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.

Grand Seiko SBGM245 at true scale

SBGM245

Wolbrook Skindiver WT Automatic at true scale

Skindiver WT Automatic

Diameter

40.5mm

40mm

Lug-to-Lug

48.6mm

n/a

Thickness

14.4mm

13mm

lowest

Water Resistance

200m

highest

150m

Power Reserve

72h

n/a

MSRP

$6,100

$494

lowest

Movement

Grand Seiko 9S66

Miyota 8315

Case

5 specs
Diameter
40.5mm
40mm
Thickness
14.4mm
13mm
Lug-to-Lug
48.6mm
n/a
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
150m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
n/a
Dial Color
n/a
Black

Movement

2 specs
Caliber
Grand Seiko 9S66
Miyota 8315
Power Reserve
72h
0h

Pricing

1 specs
MSRP
$6,100
$494
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Reviews

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

Grand Seiko SBGM245

Owners widely praise the Grand Seiko SBGM245 as a compelling mechanical GMT, blending sport and luxury with notable workmanship. Some owners find its 40.5mm case size and 14.4mm thickness wearable, while others consider it too large and prefer slimmer alternatives. The polished surfaces are noted to scratch easily, suggesting it is best suited for dressier occasions. Accuracy figures vary, with one owner reporting an average gain of two seconds per day, while others express a desire for a thinner case and a clasp with quick extension. Overall, owners rate the Grand Seiko SBGM245 highly for its mechanical GMT functionality and craftsmanship, despite some reservations about its size and scratch resistance.

Wolbrook Skindiver WT Automatic

Owners widely praise the Wolbrook Skindiver WT Automatic for its attractive retro aesthetic, comfortable wearability, and good value, with many highlighting its striking green dial, box sapphire crystal, and well-executed Beads of Rice bracelet. Some reviewers note the Miyota 8315 movement is adjusted to ±15 seconds per day, and one owner found the steel bracelet's finishing did not match the watch as well as the rubber straps. A minority of owners express disappointment with the lume, bezel wobble, and a perceived lack of finishing refinement, with one reviewer ultimately not recommending the watch. Overall, owners rate the Wolbrook Skindiver WT Automatic highly for its vintage charm and comfortable bracelet at the price point.

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