Side by side
Aera Instruments M-1vsNivada Grenchen Antarctic Spider
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
M-139mm
Antarctic Spider38mm
Power Reserve
M-142h
Antarctic Spider38h
Water Resistance
M-1100m
Antarctic Spider200m
MSRP
M-1—
Antarctic Spider$945
Full specifications
Case
6 specsCategory
—
Tool
Diameter
39mm
38mm
Thickness
13.14mm
11.1mm
Lug-to-Lug
47.6mm
46mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
100m
200m
Crystal & Dial
1 specsDial Color
Dune
White
Movement
4 specsCaliber
Sellita SW216-1
Sellita SW200
Type
Manual
Automatic
Power Reserve
42h
38h
Complications
None
GMT, Date
Pricing
1 specsMSRP
—
$945
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