Side by side
Grand Seiko SBGJ237vsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
SBGJ23744.2mm
Reef Mariana40mm
Power Reserve
SBGJ23755h
Reef Mariana—
Water Resistance
SBGJ237200m
Reef Mariana200m
MSRP
SBGJ237$7,600
Reef Mariana$449
Full specifications
Case
5 specsCategory
GMT
—
Diameter
44.2mm
40mm
Thickness
14.4mm
13.2mm
Lug-to-Lug
50.6mm
47.5mm
Lug Width
21mm
20mm
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Black
Orange
Lume
None
BGW9
Movement
2 specsCaliber
9S86
Seiko NH35
Power Reserve
55h
—
Pricing
1 specsMSRP
$7,600
$449
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