Side by side

Gruppo Gamma Vanguard SteelvsLum-Tec B66 Day Date

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

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

At a glance

12 of 29 specs differ
Diameter
Vanguard Steel42mm
B66 Day Date44mm
Power Reserve
Vanguard Steel42h
B66 Day Date40h
Water Resistance
Vanguard Steel100m
B66 Day Date100m
MSRP
Vanguard Steel$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

2 specs
Caliber
Miyota 9039
—
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$790
$545

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