Side by side
Aera Instruments M-1vsSeiko 5 Sports Field series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
M-139mm
5 Sports Field series39.4mm
Power Reserve
M-142h
5 Sports Field series41h
Water Resistance
M-1100m
5 Sports Field series100m
MSRP
M-1—
5 Sports Field series$315
Full specifications
Case
4 specsCategory
—
Sport
Diameter
39mm
39.4mm
Thickness
13.14mm
13.2mm
Lug-to-Lug
47.6mm
48.1mm
Crystal & Dial
4 specsCrystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
Dune
Black
Lume
Super-LumiNova
LumiBrite on hands and index(es)
Movement
4 specsCaliber
Sellita SW216-1
4R36
Type
Manual
Automatic
Power Reserve
42h
41h
Jewels
25
24
Pricing
1 specsMSRP
—
$315
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