Side by side

Aera Instruments M-1vsBoldr Polaris

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

M-1
Aera InstrumentsM-1
Polaris
BoldrPolaris
MSRP $399

At a glance

12 of 29 specs differ
Diameter
M-139mm
Polaris38mm
Power Reserve
M-142h
Polaris40h
Water Resistance
M-1100m
Polaris200m
MSRP
M-1—
Polaris$399

Full specifications

Case

6 specs
Category
—
Tool
Diameter
39mm
38mm
Thickness
13.14mm
12mm
Lug-to-Lug
47.6mm
44mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Dune
Blackout

Movement

3 specs
Caliber
Sellita SW216-1
Seiko NH38A
Type
Manual
Automatic
Power Reserve
42h
40h

Pricing

1 specs
MSRP
—
$399

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