Side by side
Oak & Oscar Batch Nº2vsGruppo Gamma Field III GMT Date
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Batch Nº238mm
Field III GMT Date40mm
Power Reserve
Batch Nº242h
Field III GMT Date41h
Water Resistance
Batch Nº2100m
Field III GMT Date200m
MSRP
Batch Nº2$1,775
Field III GMT Date$459
Full specifications
Case
8 specsCategory
Field
GMT
Diameter
38mm
40mm
Thickness
10.8mm
14mm
Lug-to-Lug
44.9mm
48.5mm
Lug Width
20mm
22mm
Material
316L Stainless Steel (navy ceramic coated)
Stainless Steel
Water Resistance
100m
200m
Caseback
Solid screw-down
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
Blue
Black
Movement
5 specsCaliber
Modified ETA 2892A2
Seiko Instruments NH38A
Beat Rate
4 vph
28,800 vph
Power Reserve
42h
41h
Jewels
21
25
Complications
GMT, Chronograph, Date
GMT, Date
Pricing
1 specsMSRP
$1,775
$459
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