Which is bigger, the Aera Instruments M-1 or the Cincinnati Watch Company Cincinnati's Favorite Hippo?

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

Which has a longer power reserve, the Aera Instruments M-1 or the Cincinnati Watch Company Cincinnati's Favorite Hippo?

The Cincinnati Watch Company Cincinnati's Favorite Hippo 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 Cincinnati's Favorite Hippo?

Both watches run manual movements — the Aera Instruments M-1 uses the Sellita SW216-1 and the Cincinnati Watch Company Cincinnati's Favorite Hippo uses the Sellita SW210-1.

Side by side

Aera Instruments M-1vsCincinnati Watch Company Cincinnati's Favorite Hippo

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

Aera Instruments M-1

Cincinnati Watch Company Cincinnati's Favorite Hippo

cincinnati-hippo

MSRP $1,995

At a glance

17 of 29 specs differ

Diameter

M-139mm

Cincinnati's Favorite Hippo38mm

Power Reserve

M-142h

Cincinnati's Favorite Hippo45h

Water Resistance

M-1100m

Cincinnati's Favorite Hippo100m

MSRP

M-1—

Cincinnati's Favorite Hippo$1,995

Full specifications

Case

7 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

Domed

AR Coating

Inner

Underside

Dial Color

Dune

Silver

Indices

Applied

—

Lume

Super-LumiNova

None

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

—

$1,995

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