Side by side
Grand Seiko SBGR321vsSerket Watch Co Reef X
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
SBGR32140mm
Reef X42.5mm
Power Reserve
SBGR32172h
Reef X40h
Water Resistance
SBGR321100m
Reef X200m
MSRP
SBGR321$5,200
Reef X$399
Full specifications
Case
6 specsCategory
Dress
—
Diameter
40mm
42.5mm
Thickness
13mm
12.7mm
Lug-to-Lug
46.6mm
49mm
Lug Width
20mm
22mm
Water Resistance
100m
200m
Crystal & Dial
2 specsAR Coating
Yes
Inner
Dial Color
Black
Yellow
Movement
2 specsCaliber
9S65
Miyota 8215
Power Reserve
72h
40h
Pricing
1 specsMSRP
$5,200
$399
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