Side by side
Lum-Tec B66 Day DatevsLum-Tec Eclipse
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
B66 Day Date44mm
Eclipse42mm
Power Reserve
B66 Day Date40h
Eclipse40h
Water Resistance
B66 Day Date100m
Eclipse101m
MSRP
B66 Day Date$545
Eclipse$695
Full specifications
Case
5 specsDiameter
44mm
42mm
Lug-to-Lug
51.5mm
—
Lug Width
22mm
—
Material
Titanium (DLC coated)
316L Stainless Steel (DLC coated)
Water Resistance
100m
101m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Standard
E6
Movement
1 specsCaliber
—
Miyota 9039
Pricing
1 specsMSRP
$545
$695
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