Side by side
Oak & Oscar The BurnhamvsGruppo Gamma Field III GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
The Burnham40mm
Field III GMT40mm
Power Reserve
The Burnham40h
Field III GMT41h
Water Resistance
The Burnham100m
Field III GMT200m
MSRP
The Burnham$1,650
Field III GMT$459
Full specifications
Case
5 specsCategory
Field
GMT
Thickness
12mm
14mm
Lug-to-Lug
46mm
48.5mm
Lug Width
20mm
22mm
Water Resistance
100m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Lume
None
Super-LumiNova
Movement
3 specsCaliber
—
Seiko Instruments NH38A
Power Reserve
40h
41h
Complications
GMT, Chronograph
GMT
Pricing
1 specsMSRP
$1,650
$459
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