Side by side

Aera Instruments M-1vsPinion Pure Steel

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

Pure Steel
PinionPure Steel
MSRP $1,715

At a glance

10 of 29 specs differ
Diameter
M-139mm
Pure Steel38mm
Power Reserve
M-142h
Pure Steel45h
Water Resistance
M-1100m
Pure Steel100m
MSRP
M-1
Pure Steel$1,715

Full specifications

Case

5 specs
Category
Dress
Diameter
39mm
38mm
Thickness
13.14mm
11mm
Lug-to-Lug
47.6mm
44mm
Lug Width
20mm
20mm

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Dune
Black

Movement

2 specs
Caliber
Sellita SW216-1
Sellita SW261-1
Power Reserve
42h
45h

Pricing

1 specs
MSRP
$1,715

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