Side by side

Aera Instruments M-1vsTudor Monarch

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

M-1
Aera InstrumentsM-1
Monarch
TudorMonarch
MSRP $5,875

At a glance

17 of 29 specs differ
Diameter
M-139mm
Monarch39mm
Power Reserve
M-142h
Monarch65h
Water Resistance
M-1100m
Monarch100m
MSRP
M-1—
Monarch$5,875

Full specifications

Case

5 specs
Category
—
—
Thickness
13.14mm
11.9mm
Lug-to-Lug
47.6mm
46mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Dune
Champagne
Lume
Super-LumiNova
None

Movement

7 specs
Caliber
Sellita SW216-1
MT5662-2U
Type
Manual
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
—
$5,875

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