Side by side
Lum-Tec B66 Day DatevsMaen Grand Tonneau Ultra Thin
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
B66 Day Date44mm
Grand Tonneau Ultra Thin34mm
Power Reserve
B66 Day Date40h
Grand Tonneau Ultra Thin40h
Water Resistance
B66 Day Date100m
Grand Tonneau Ultra Thin50m
MSRP
B66 Day Date$545
Grand Tonneau Ultra Thin$1,519
Full specifications
Case
7 specsCategory
Sport
Dress
Diameter
44mm
34mm
Thickness
—
6.4mm
Lug-to-Lug
51.5mm
—
Lug Width
22mm
—
Material
Titanium (DLC coated)
316L Stainless Steel
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Standard
MNL.04
Pricing
1 specsMSRP
$545
$1,519
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