Side by side
Aera Instruments M-1vsNivada Grenchen F77 MK1
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
M-139mm
F77 MK137mm
Power Reserve
M-142h
F77 MK138h
Water Resistance
M-1100m
F77 MK1100m
MSRP
M-1—
F77 MK1$1,560
Full specifications
Case
8 specsCategory
—
Sport
Diameter
39mm
37mm
Thickness
13.14mm
12.1mm
Lug-to-Lug
47.6mm
45mm
Lug Width
20mm
22mm
Material
Stainless Steel
Stainless Steel/Titanium/Ceramic
Finish
Brushed and polished
Brushed + Polished + Satin
Caseback
Solid
Titanium Grade 5
Crystal & Dial
2 specsDial Color
Dune
Meteorite Dial, Super Lum. White Dots, Shiny Light Gun Color Applied Indexes
Lume
Super-LumiNova
x1
Movement
5 specsCaliber
Sellita SW216-1
Soprod Newton P092
Type
Manual
Automatic
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
38h
Complications
None
GMT
Pricing
1 specsMSRP
—
$1,560
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