Side by side
Lum-Tec B68 Day DatevsFormex Reef GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
B68 Day Date44mm
Reef GMT42mm
Power Reserve
B68 Day Date40h
Reef GMT56h
Water Resistance
B68 Day Date200m
Reef GMT300m
MSRP
B68 Day Date$595
Reef GMT$2,235
Full specifications
Case
6 specsCategory
Sport
GMT
Diameter
44mm
42mm
Thickness
—
11.4mm
Lug-to-Lug
51.5mm
47mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
Dial Color
B68 Day Date
Black
Lume
None
Super-LumiNova
Movement
3 specsCaliber
Ronda 515
Sellita SW330-2
Type
Quartz
Automatic
Power Reserve
40h
56h
Pricing
1 specsMSRP
$595
$2,235
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