Side by side
Serket Watch Co Reef MarianavsZelos Spearfish GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Reef Mariana40mm
Spearfish GMT40mm
Power Reserve
Reef Mariana—
Spearfish GMT40h
Water Resistance
Reef Mariana200m
Spearfish GMT200m
MSRP
Reef Mariana$449
Spearfish GMT$999
Full specifications
Case
4 specsCategory
—
GMT
Thickness
13.2mm
13mm
Lug-to-Lug
47.5mm
40mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
2 specsDial Color
Orange
Frost
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH35
Sellita SW330-2
Power Reserve
—
40h
Pricing
1 specsMSRP
$449
$999
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