Side by side

Gruppo Gamma Vanguard Steel DatevsLum-Tec B66 Day Date

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

Vanguard Steel Date
Gruppo GammaVanguard Steel Date
MSRP $790
B66 Day Date
Lum-TecB66 Day Date
MSRP $545

At a glance

13 of 29 specs differ
Diameter
Vanguard Steel Date42mm
B66 Day Date44mm
Power Reserve
Vanguard Steel Date42h
B66 Day Date40h
Water Resistance
Vanguard Steel Date100m
B66 Day Date100m
MSRP
Vanguard Steel Date$790
B66 Day Date$545

Full specifications

Case

5 specs
Category
—
Sport
Diameter
42mm
44mm
Thickness
12.6mm
—
Lug-to-Lug
49.5mm
51.5mm
Material
Stainless Steel
Titanium (DLC coated)

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Forged Carbon
Standard
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Miyota 9015
—
Power Reserve
42h
40h
Complications
Date
None

Pricing

1 specs
MSRP
$790
$545

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