Which is bigger, the Aera Instruments M-1 or the Mr Jones Watches A perfectly useless afternoon: mechanical?

The Mr Jones Watches A perfectly useless afternoon: mechanical wears larger at 40mm versus 39mm for the Aera Instruments M-1 — a 1mm difference across the dial.

Which has a longer power reserve, the Aera Instruments M-1 or the Mr Jones Watches A perfectly useless afternoon: mechanical?

The Aera Instruments M-1 carries a 42-hour power reserve against 40 hours on the Mr Jones Watches A perfectly useless afternoon: mechanical.

What movement does the Aera Instruments M-1 run compared to the Mr Jones Watches A perfectly useless afternoon: mechanical?

The Aera Instruments M-1 runs a manual caliber (Sellita SW216-1), while the Mr Jones Watches A perfectly useless afternoon: mechanical runs a automatic.

Side by side

Aera Instruments M-1vsMr Jones Watches A perfectly useless afternoon: mechanical

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

Aera Instruments M-1

Mr Jones Watches A perfectly useless afternoon: mechanical

a-perfectly-useless-afternoon-mechanical

MSRP $750

At a glance

12 of 29 specs differ

Diameter

M-139mm

A perfectly useless afternoon: mechanical40mm

Power Reserve

M-142h

A perfectly useless afternoon: mechanical40h

Water Resistance

M-1100m

A perfectly useless afternoon: mechanical—

MSRP

M-1—

A perfectly useless afternoon: mechanical$750

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Dial Color

Dune

40mm

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Sellita SW216-1

—

Type

Manual

Automatic

Power Reserve

42h

40h

Pricing

1 specs

MSRP

—

$750

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