Side by side
Boldr BlastoisevsGrand Seiko SBGR321
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Blastoise40mm
SBGR32140mm
Power Reserve
Blastoise40h
SBGR32172h
Water Resistance
Blastoise200m
SBGR321100m
MSRP
Blastoise$449
SBGR321$5,200
Full specifications
Case
4 specsCategory
Diver
Dress
Thickness
12mm
13mm
Lug-to-Lug
49.5mm
46.6mm
Water Resistance
200m
100m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Blastoise
Black
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Seiko (SII) NH37
9S65
Power Reserve
40h
72h
Pricing
1 specsMSRP
$449
$5,200
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