Side by side
Aera Instruments M-1vsHitori Somei Yoshino
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
M-139mm
Somei Yoshino39.6mm
Power Reserve
M-142h
Somei Yoshino41h
Water Resistance
M-1100m
Somei Yoshino100m
MSRP
M-1—
Somei Yoshino$569
Full specifications
Case
4 specsDiameter
39mm
39.6mm
Thickness
13.14mm
10.55mm
Lug-to-Lug
47.6mm
46.8mm
Lug Width
20mm
—
Crystal & Dial
2 specsDial Color
Dune
White
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW216-1
Seiko NH35
Type
Manual
Automatic
Power Reserve
42h
41h
Pricing
1 specsMSRP
—
$569
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