Which is bigger, the Aera Instruments M-1 or the CWC 1980 RN Divers Automatic Re-Issue Watch?

The CWC 1980 RN Divers Automatic Re-Issue Watch wears larger at 41mm versus 39mm for the Aera Instruments M-1 — a 2mm difference across the dial.

Which has better water resistance, the Aera Instruments M-1 or the CWC 1980 RN Divers Automatic Re-Issue Watch?

The CWC 1980 RN Divers Automatic Re-Issue Watch is rated to 300m versus 100m for the Aera Instruments M-1.

Which has a longer power reserve, the Aera Instruments M-1 or the CWC 1980 RN Divers Automatic Re-Issue Watch?

The Aera Instruments M-1 carries a 42-hour power reserve against 40 hours on the CWC 1980 RN Divers Automatic Re-Issue Watch.

What movement does the Aera Instruments M-1 run compared to the CWC 1980 RN Divers Automatic Re-Issue Watch?

The Aera Instruments M-1 runs a manual caliber (Sellita SW216-1), while the CWC 1980 RN Divers Automatic Re-Issue Watch runs a automatic (ETA 2824-2).

Side by side

Aera Instruments M-1vsCWC 1980 RN Divers Automatic Re-Issue Watch

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

Aera Instruments M-1

CWC 1980 RN Divers Automatic Re-Issue Watch

reissue-1980-royal-navy-diver-automatic

MSRP $2,458

At a glance

10 of 29 specs differ

Diameter

M-139mm

1980 RN Divers Automatic Re-Issue Watch41mm

Power Reserve

M-142h

1980 RN Divers Automatic Re-Issue Watch40h

Water Resistance

M-1100m

1980 RN Divers Automatic Re-Issue Watch300m

MSRP

M-1—

1980 RN Divers Automatic Re-Issue Watch$2,458

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

Dune

1980 RN Divers Automatic Re-Issue Watch

Movement

3 specs

Caliber

Sellita SW216-1

ETA 2824-2

Type

Manual

Automatic

Power Reserve

42h

40h

Pricing

1 specs

MSRP

—

$2,458

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