Side by side
Grand Seiko SBGM245vsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
SBGM24540.5mm
Reef Mariana40mm
Power Reserve
SBGM24572h
Reef Mariana—
Water Resistance
SBGM245200m
Reef Mariana200m
MSRP
SBGM245$6,100
Reef Mariana$449
Full specifications
Case
4 specsCategory
GMT
—
Diameter
40.5mm
40mm
Thickness
14.4mm
13.2mm
Lug-to-Lug
48.6mm
47.5mm
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Black
Orange
Lume
None
BGW9
Movement
2 specsCaliber
9S66
Seiko NH35
Power Reserve
72h
—
Pricing
1 specsMSRP
$6,100
$449
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