Which is bigger, the Aera Instruments M-1 or the Oak & Oscar Team Shuster Humboldt?

The Oak & Oscar Team Shuster Humboldt wears larger at 39.5mm versus 39mm for the Aera Instruments M-1 — a 0.5mm difference across the dial.

Which has better water resistance, the Aera Instruments M-1 or the Oak & Oscar Team Shuster Humboldt?

The Oak & Oscar Team Shuster Humboldt is rated to 200m versus 30m for the Aera Instruments M-1.

What movement does the Aera Instruments M-1 run compared to the Oak & Oscar Team Shuster Humboldt?

Both watches run automatic movements — the Aera Instruments M-1 uses the Sellita SW216-1 and the Oak & Oscar Team Shuster Humboldt uses the ETA 2892A2.

Side by side

Aera Instruments M-1vsOak & Oscar Team Shuster Humboldt

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

Aera Instruments M-1

Oak & Oscar Team Shuster Humboldt

HMBDLTSHSTR

MSRP $2,022

At a glance

15 of 29 specs differ

Diameter

M-139mm

Team Shuster Humboldt39.5mm

Power Reserve

M-1—

Team Shuster Humboldt42 hoursh

Water Resistance

M-130m

Team Shuster Humboldt200m

MSRP

M-1—

Team Shuster Humboldt$2,022

Full specifications

Case

6 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Double-domed

AR Coating

Inner

Underside

Dial Color

Dune

Navy

Movement

5 specs

Caliber

Sellita SW216-1

ETA 2892A2

Beat Rate

28,800 vph

4 vph

Power Reserve

—

42 hoursh

Jewels

Complications

None

GMT, Chronograph, Date

Pricing

1 specs

MSRP

—

$2,022

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