Side by side

Boldr BlastoisevsGrand Seiko SBGN027

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

Blastoise
BoldrBlastoise
MSRP $449
SBGN027
Grand SeikoSBGN027
MSRP $3,700

At a glance

11 of 29 specs differ
Diameter
Blastoise40mm
SBGN02739mm
Power Reserve
Blastoise40h
SBGN02740h
Water Resistance
Blastoise200m
SBGN027200m
MSRP
Blastoise$449
SBGN027$3,700

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
40mm
39mm
Thickness
12mm
12.3mm
Lug-to-Lug
49.5mm
45.9mm
Lug Width
20mm
19mm

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko (SII) NH37
9F86
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$449
$3,700

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