Side by side
Aera Instruments M-1vsSeiko King Seiko KSK
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
M-139mm
King Seiko KSK38.6mm
Power Reserve
M-142h
King Seiko KSK45h
Water Resistance
M-1100m
King Seiko KSK50m
MSRP
M-1—
King Seiko KSK$3,300
Full specifications
Case
6 specsCategory
—
Dress
Diameter
39mm
38.6mm
Thickness
13.14mm
10.7mm
Lug-to-Lug
47.6mm
45.8mm
Lug Width
20mm
19mm
Water Resistance
100m
50m
Crystal & Dial
4 specsCrystal Shape
Flat
Box
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Dune
Black
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW216-1
6L35
Type
Manual
Automatic
Power Reserve
42h
45h
Jewels
25
26
Pricing
1 specsMSRP
—
$3,300
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