Side by side

Grand Seiko SBGW306vsSheffield Deep Gray 300

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
Deep Gray 300
SheffieldDeep Gray 300
MSRP $258
Buy from Grand Seiko ↗
Buy used on eBay ↗
Buy from Sheffield ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
SBGW30636.5mm
Deep Gray 30042mm
Power Reserve
SBGW30672h
Deep Gray 30040h
Water Resistance
SBGW306100m
Deep Gray 300300m
MSRP
SBGW306$17,900
Deep Gray 300$258

Full specifications

Case

7 specs
Category
Dress
—
Diameter
36.5mm
42mm
Thickness
11.7mm
13.8mm
Lug-to-Lug
42.7mm
52mm
Lug Width
18mm
22mm
Material
Gold
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Black
—

Movement

3 specs
Caliber
9S64
Seiko NH35
Type
Manual
Automatic
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$17,900
—
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