Aera Instruments M-1vsMilifortic Affordable 39mm Day-Date Field Automatic 24 Hour Watches M097
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

M-1

Affordable 39mm Day-Date Field Automatic 24 Hour Watches M097
Diameter
39mm
39mm
Lug-to-Lug
47.6mm
45.7mm
lowest
Thickness
13.1mm
11.8mm
lowest
Water Resistance
100m
100m
Power Reserve
42h
n/a
MSRP
n/a
$159
Movement
Sellita SW216-1
Seiko NH36
Case
2 specsThickness
13.14mm
11.8mm
Lug-to-Lug
47.6mm
45.7mm
Crystal & Dial
2 specsDial Color
Dune
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW216-1
Seiko NH36
Type
Manual
Automatic
Power Reserve
42h
0h
Pricing
1 specsMSRP
n/a
$159
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