Side by side

Boldr BlastoisevsGrand Seiko SBGW306

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

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Blastoise
BoldrBlastoise
MSRP $449
SBGW306
Grand SeikoSBGW306
MSRP $17,900
Buy from Boldr ↗
Buy used on eBay ↗
Buy from Grand Seiko ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
Blastoise40mm
SBGW30636.5mm
Power Reserve
Blastoise40h
SBGW30672h
Water Resistance
Blastoise200m
SBGW306100m
MSRP
Blastoise$449
SBGW306$17,900

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
36.5mm
Thickness
12mm
11.7mm
Lug-to-Lug
49.5mm
42.7mm
Lug Width
20mm
18mm
Material
Stainless Steel
Gold
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blastoise
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Seiko (SII) NH37
9S64
Type
Automatic
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$449
$17,900
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