Side by side
Helgray GMT (Refurbished)vsGruppo Gamma Field III GMT Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
GMT (Refurbished)42mm
Field III GMT Date40mm
Power Reserve
GMT (Refurbished)40h
Field III GMT Date41h
Water Resistance
GMT (Refurbished)50m
Field III GMT Date200m
MSRP
GMT (Refurbished)$150
Field III GMT Date$459
Full specifications
Case
5 specsDiameter
42mm
40mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
50m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
None
Super-LumiNova
Movement
4 specsCaliber
Swiss-Made Ronda 515.24H Strap
Seiko Instruments NH38A
Type
Quartz
Automatic
Power Reserve
40h
41h
Complications
None
GMT, Date
Pricing
1 specsMSRP
$150
$459
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