Side by side

Aera Instruments D-1vsGruppo Gamma Vanguard Steel Date

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

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D-1
Aera InstrumentsD-1
MSRP $2,000
See the full D-1
Vanguard Steel Date
Gruppo GammaVanguard Steel Date
MSRP $790
See the full Vanguard Steel Date
Buy from Aera Instruments ↗
Buy used on eBay ↗
Buy from Gruppo Gamma ↗
Buy used on eBay ↗

At a glance

11 of 29 specs differ
Diameter
D-144mm
Vanguard Steel Date42mm
Power Reserve
D-141h
Vanguard Steel Date42h
Water Resistance
D-1300m
Vanguard Steel Date100m
MSRP
D-1$2,000
Vanguard Steel Date$790

Full specifications

Case

4 specs
Diameter
44mm
42mm
Thickness
15.9mm
12.6mm
Lug-to-Lug
49.55mm
49.5mm
Water Resistance
300m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
—
Forged Carbon
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
Sellita SW200-1
Miyota 9015
Power Reserve
41h
42h
Complications
None
Date

Pricing

1 specs
MSRP
$2,000
$790
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