Side by side
Lum-Tec B68 Day DatevsGruppo Gamma Field III GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
B68 Day Date44mm
Field III GMT40mm
Power Reserve
B68 Day Date40h
Field III GMT41h
Water Resistance
B68 Day Date200m
Field III GMT200m
MSRP
B68 Day Date$595
Field III GMT$459
Full specifications
Case
5 specsCategory
Sport
GMT
Diameter
44mm
40mm
Thickness
—
14mm
Lug-to-Lug
51.5mm
48.5mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Crystal & Dial
4 specsCrystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
B68 Day Date
Black
Lume
None
Super-LumiNova
Movement
4 specsCaliber
Ronda 515
Seiko Instruments NH38A
Type
Quartz
Automatic
Power Reserve
40h
41h
Complications
None
GMT
Pricing
1 specsMSRP
$595
$459
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