Side by side
Serket Watch Co Reef MarianavsGruppo Gamma Field III GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Reef Mariana40mm
Field III GMT40mm
Power Reserve
Reef Mariana—
Field III GMT41h
Water Resistance
Reef Mariana200m
Field III GMT200m
MSRP
Reef Mariana$449
Field III GMT$459
Full specifications
Case
4 specsCategory
—
GMT
Thickness
13.2mm
14mm
Lug-to-Lug
47.5mm
48.5mm
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
Orange
Black
Lume
BGW9
Super-LumiNova
Movement
3 specsCaliber
Seiko NH35
Seiko Instruments NH38A
Power Reserve
—
41h
Complications
None
GMT
Pricing
1 specsMSRP
$449
$459
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