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Grand Seiko SBGW306vsSheffield 1A

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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SBGW306
Grand SeikoSBGW306
MSRP $17,900
1A
Sheffield1A
MSRP $223
Buy from Grand Seiko ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
SBGW30636.5mm
1A40mm
Power Reserve
SBGW30672h
1A—
Water Resistance
SBGW306100m
1A200m
MSRP
SBGW306$17,900
1A$223

Full specifications

Case

7 specs
Category
Dress
Diver
Diameter
36.5mm
40mm
Thickness
11.7mm
12.8mm
Lug-to-Lug
42.7mm
46mm
Lug Width
18mm
20mm
Material
Gold
Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
White/Blue
Lume
None
Swiss blue lume

Movement

3 specs
Caliber
9S64
Seiko NH35A
Type
Manual
Automatic
Power Reserve
72h
—

Pricing

1 specs
MSRP
$17,900
$223
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