Side by side
Serket Watch Co Reef MarianavsGrand Seiko SLGB006
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Reef Mariana40mm
SLGB00637mm
Power Reserve
Reef Mariana—
SLGB00672h
Water Resistance
Reef Mariana200m
SLGB006100m
MSRP
Reef Mariana$449
SLGB006$43,600
Full specifications
Case
6 specsCategory
—
Dress
Diameter
40mm
37mm
Thickness
13.2mm
11.4mm
Lug-to-Lug
47.5mm
44.3mm
Material
Stainless Steel
Gold
Water Resistance
200m
100m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Orange
Black
Lume
BGW9
None
Movement
3 specsCaliber
Seiko NH35
9RB2
Type
Automatic
Spring Drive
Power Reserve
—
72h
Pricing
1 specsMSRP
$449
$43,600
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