Side by side
Gruppo Gamma Field III GMT DatevsZRC 1904 IRIDIUM -METAL
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Field III GMT Date40mm
IRIDIUM -METAL41.5mm
Power Reserve
Field III GMT Date41h
IRIDIUM -METAL56h
Water Resistance
Field III GMT Date200m
IRIDIUM -METAL1,000m
MSRP
Field III GMT Date$459
IRIDIUM -METAL$3,790
Full specifications
Case
6 specsCategory
GMT
—
Diameter
40mm
41.5mm
Thickness
14mm
—
Lug-to-Lug
48.5mm
46mm
Lug Width
22mm
20mm
Water Resistance
200m
1000m
Crystal & Dial
2 specsAR Coating
Yes
Inner
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Seiko Instruments NH38A
Sellita SW300-1
Power Reserve
41h
56h
Complications
GMT, Date
None
Pricing
1 specsMSRP
$459
$3,790
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