Side by side
Oceanica Watch Co. Manta Ray DivervsGruppo Gamma Field III GMT Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Manta Ray Diver40mm
Field III GMT Date40mm
Power Reserve
Manta Ray Diver—
Field III GMT Date41h
Water Resistance
Manta Ray Diver200m
Field III GMT Date200m
MSRP
Manta Ray Diver$430
Field III GMT Date$459
Full specifications
Case
3 specsCategory
—
GMT
Thickness
12mm
14mm
Lug-to-Lug
48mm
48.5mm
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
BGW9 Swiss
Super-LumiNova
Movement
3 specsCaliber
Miyota 9015
Seiko Instruments NH38A
Power Reserve
—
41h
Complications
None
GMT, Date
Pricing
1 specsMSRP
$430
$459
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