Which is bigger, the Aera Instruments M-1 or the Cincinnati Watch Company Rose Window?

The Aera Instruments M-1 wears larger at 39mm versus 38mm for the Cincinnati Watch Company Rose Window — a 1mm difference across the dial.

Which has a longer power reserve, the Aera Instruments M-1 or the Cincinnati Watch Company Rose Window?

The Cincinnati Watch Company Rose Window carries a 45-hour power reserve against 42 hours on the Aera Instruments M-1.

What movement does the Aera Instruments M-1 run compared to the Cincinnati Watch Company Rose Window?

Both watches run manual movements — the Aera Instruments M-1 uses the Sellita SW216-1 and the Cincinnati Watch Company Rose Window uses the Sellita SW210-1.

Side by side

Aera Instruments M-1vsCincinnati Watch Company Rose Window

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

Aera Instruments M-1

Cincinnati Watch Company Rose Window

rose-window

MSRP $1,549

At a glance

17 of 29 specs differ

Diameter

M-139mm

Rose Window38mm

Power Reserve

M-142h

Rose Window45h

Water Resistance

M-1100m

Rose Window100m

MSRP

M-1—

Rose Window$1,549

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

Underside

Dial Color

Dune

—

Indices

Applied

—

Lume

Super-LumiNova

X1 C3 Super-LumiNova

Movement

4 specs

Caliber

Sellita SW216-1

Sellita SW210-1

Beat Rate

28,800 vph

0 vph

Power Reserve

42h

45h

Jewels

Pricing

1 specs

MSRP

—

$1,549

Follow this matchup

Get a note when Aera Instruments M-1 vs Cincinnati Watch Company Rose Window gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring