Side by side
Aera Instruments M-1vsSeestern Sub 300 V4
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
M-139mm
Sub 300 V442mm
Power Reserve
M-142h
Sub 300 V441h
Water Resistance
M-1100m
Sub 300 V4200m
MSRP
M-1—
Sub 300 V4$10
Full specifications
Case
8 specsCategory
—
Diver
Diameter
39mm
42mm
Thickness
13.14mm
13mm
Lug-to-Lug
47.6mm
46mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Sandblasted
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsAR Coating
Inner
Underside
Dial Color
Dune
Orange
Lume
Super-LumiNova
Japan Lume (blue glow)
Movement
6 specsCaliber
Sellita SW216-1
Seiko NH35A
Type
Manual
Automatic
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
—
$10
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