Side by side

Lum-Tec B66 Day DatevsTissot PRX

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

B66 Day Date
Lum-TecB66 Day Date
MSRP $545
PRX
TissotPRX
MSRP $850

At a glance

14 of 29 specs differ
Diameter
B66 Day Date44mm
PRX40mm
Power Reserve
B66 Day Date40h
PRX80h
Water Resistance
B66 Day Date100m
PRX100m
MSRP
B66 Day Date$545
PRX$850

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
44mm
40mm
Thickness
—
10.93mm
Lug-to-Lug
51.5mm
39.5mm
Lug Width
22mm
12mm
Material
Titanium (DLC coated)
Stainless Steel

Crystal & Dial

5 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Yes
Dial Color
Standard
Blue
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
—
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$545
$850

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