Side by side
Grand Seiko SBGA211vsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
SBGA21141mm
Reef Mariana40mm
Power Reserve
SBGA21172h
Reef Mariana—
Water Resistance
SBGA211100m
Reef Mariana200m
MSRP
SBGA211$6,900
Reef Mariana$449
Full specifications
Case
6 specsCategory
Dress
—
Diameter
41mm
40mm
Thickness
12.5mm
13.2mm
Lug-to-Lug
49mm
47.5mm
Material
Titanium
Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Black
Orange
Lume
None
BGW9
Movement
3 specsCaliber
9R65
Seiko NH35
Type
Spring Drive
Automatic
Power Reserve
72h
—
Pricing
1 specsMSRP
$6,900
$449
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