Side by side

Aera Instruments M-1vsPraesidus Vince Speranza A-11

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

M-1
Aera InstrumentsM-1
Vince Speranza A-11
PraesidusVince Speranza A-11
MSRP $359

At a glance

13 of 29 specs differ
Diameter
M-139mm
Vince Speranza A-1142mm
Power Reserve
M-142h
Vince Speranza A-1140h
Water Resistance
M-1100m
Vince Speranza A-11100m
MSRP
M-1—
Vince Speranza A-11$359

Full specifications

Case

6 specs
Category
—
Field
Diameter
39mm
42mm
Thickness
13.14mm
—
Lug-to-Lug
47.6mm
49mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Dune
NH35
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Seiko NH35
Type
Manual
Automatic
Power Reserve
42h
40h

Pricing

1 specs
MSRP
—
$359

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