Which is bigger, the Aera Instruments M-1 or the Vortic Watch Company Springfield 174?

The Vortic Watch Company Springfield 174 wears larger at 45mm versus 39mm for the Aera Instruments M-1 — a 6mm difference across the dial.

Which has a longer power reserve, the Aera Instruments M-1 or the Vortic Watch Company Springfield 174?

The Aera Instruments M-1 carries a 42-hour power reserve against 40 hours on the Vortic Watch Company Springfield 174.

What movement does the Aera Instruments M-1 run compared to the Vortic Watch Company Springfield 174?

Both watches run manual movements — the Aera Instruments M-1 uses the Sellita SW216-1 and the Vortic Watch Company Springfield 174 uses the Illinois Watch Co..

Side by side

Aera Instruments M-1vsVortic Watch Company Springfield 174

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

Aera Instruments M-1

Vortic Watch Company Springfield 174

the-springfield-174-45mm

MSRP $4,900

At a glance

9 of 29 specs differ

Diameter

M-139mm

Springfield 17445mm

Power Reserve

M-142h

Springfield 17440h

Water Resistance

M-1100m

Springfield 174100m

MSRP

M-1—

Springfield 174$4,900

Full specifications

Case

4 specs

Crystal & Dial

2 specs

Dial Color

Dune

Black

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Sellita SW216-1

Illinois Watch Co.

Power Reserve

42h

40h

Pricing

1 specs

MSRP

—

$4,900

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