Side by side
Aera Instruments M-1vsOak & Oscar The Olmsted Windup Edition
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
The Olmsted Windup Edition38mm
Power Reserve
M-142h
The Olmsted Windup Edition50h
Water Resistance
M-1100m
The Olmsted Windup Edition100m
MSRP
M-1—
The Olmsted Windup Edition$1,775
Full specifications
Case
6 specsCategory
—
Field
Diameter
39mm
38mm
Thickness
13.14mm
10.8mm
Lug-to-Lug
47.6mm
44.9mm
Material
Stainless Steel
316L Stainless Steel
Caseback
Solid
Engraved
Crystal & Dial
3 specsCrystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Dial Color
Dune
Grey
Movement
5 specsCaliber
Sellita SW216-1
Sellita SW300
Type
Manual
Automatic
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
50h
Complications
None
GMT, Chronograph, Date
Pricing
1 specsMSRP
—
$1,775
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