Side by side

Lum-Tec B66 Day DatevsMeia Lua Callisto

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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B66 Day Date
Lum-TecB66 Day Date
MSRP $545
See the full B66 Day Date
Callisto
Meia LuaCallisto
MSRP $661
See the full Callisto
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At a glance

11 of 29 specs differ
Diameter
B66 Day Date44mm
Callisto42mm
Power Reserve
B66 Day Date—
Callisto40h
Water Resistance
B66 Day Date100m
Callisto100m
MSRP
B66 Day Date$545
Callisto$661

Full specifications

Case

5 specs
Category
Sport
—
Diameter
44mm
42mm
Thickness
—
13.5mm
Lug-to-Lug
51.5mm
48mm
Material
Titanium (DLC coated)
Stainless Steel

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Standard
—
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
—
Miyota 9122
Power Reserve
0h
40h

Pricing

1 specs
MSRP
$545
$661
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