Side by side

Citizen Promaster Diver AutomaticvsLum-Tec B66 Day Date

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

Promaster Diver Automatic
CitizenPromaster Diver Automatic
MSRP $469
B66 Day Date
Lum-TecB66 Day Date
MSRP $545

At a glance

10 of 29 specs differ
Diameter
Promaster Diver Automatic44mm
B66 Day Date44mm
Power Reserve
Promaster Diver Automatic40h
B66 Day Date40h
Water Resistance
Promaster Diver Automatic200m
B66 Day Date100m
MSRP
Promaster Diver Automatic$469
B66 Day Date$545

Full specifications

Case

6 specs
Category
Diver
Sport
Thickness
12mm
—
Lug-to-Lug
46mm
51.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium (DLC coated)
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
Standard

Movement

1 specs
Caliber
8204
—

Pricing

1 specs
MSRP
$469
$545

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