Side by side
Serket Watch Co Blackpool GMTvsGrand Seiko SLGB023
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Blackpool GMT40mm
SLGB02340.8mm
Power Reserve
Blackpool GMT—
SLGB02372h
Water Resistance
Blackpool GMT200m
SLGB023300m
MSRP
Blackpool GMT$379
SLGB023$12,400
Full specifications
Case
7 specsCategory
—
Diver
Diameter
40mm
40.8mm
Thickness
11.5mm
12.9mm
Lug-to-Lug
47mm
48.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Beige
Black
Lume
SuperLuminova
None
Movement
3 specsCaliber
Seiko NH34
9RB1
Type
Automatic
Spring Drive
Power Reserve
—
72h
Pricing
1 specsMSRP
$379
$12,400
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