Side by side

Oceanica Watch Co. Manta Ray DivervsGruppo Gamma Field III GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Manta Ray Diver
Oceanica Watch Co.Manta Ray Diver
MSRP $430
Field III GMT
Gruppo GammaField III GMT
MSRP $459
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Buy used on eBay ↗
Buy from Gruppo Gamma ↗
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At a glance

9 of 29 specs differ
Diameter
Manta Ray Diver40mm
Field III GMT40mm
Power Reserve
Manta Ray Diver—
Field III GMT41h
Water Resistance
Manta Ray Diver200m
Field III GMT200m
MSRP
Manta Ray Diver$430
Field III GMT$459

Full specifications

Case

3 specs
Category
—
GMT
Thickness
12mm
14mm
Lug-to-Lug
48mm
48.5mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Lume
BGW9 Swiss
Super-LumiNova

Movement

3 specs
Caliber
Miyota 9015
Seiko Instruments NH38A
Power Reserve
—
41h
Complications
None
GMT

Pricing

1 specs
MSRP
$430
$459
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