Side by side

Aera Instruments M-1vsZero West L3 Longitude

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

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M-1
Aera InstrumentsM-1
L3 Longitude
Zero WestL3 Longitude
MSRP $2,495
Buy from Aera Instruments ↗
Buy used on eBay ↗
Buy from Zero West ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
M-139mm
L3 Longitude42mm
Power Reserve
M-142h
L3 Longitude41h
Water Resistance
M-1100m
L3 Longitude100m
MSRP
M-1—
L3 Longitude$2,495

Full specifications

Case

4 specs
Diameter
39mm
42mm
Thickness
13.14mm
13.2mm
Lug-to-Lug
47.6mm
47mm
Lug Width
20mm
22mm

Crystal & Dial

2 specs
Dial Color
Dune
—
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Sellita SW261-1
Type
Manual
Automatic
Power Reserve
42h
41h

Pricing

1 specs
MSRP
—
$2,495
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