Which is bigger, the Aera Instruments M-1 or the Oblvlo GC Skull Wing?

The Oblvlo GC Skull Wing 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 Oblvlo GC Skull Wing?

The Aera Instruments M-1 is rated to 100m versus 50m for the Oblvlo GC Skull Wing.

Which has a longer power reserve, the Aera Instruments M-1 or the Oblvlo GC Skull Wing?

The Aera Instruments M-1 carries a 42-hour power reserve against 40 hours on the Oblvlo GC Skull Wing.

What movement does the Aera Instruments M-1 run compared to the Oblvlo GC Skull Wing?

The Aera Instruments M-1 runs a manual caliber (Sellita SW216-1), while the Oblvlo GC Skull Wing runs a automatic.

Side by side

Aera Instruments M-1vsOblvlo GC Skull Wing

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

Aera Instruments M-1

Oblvlo GC Skull Wing

GC-SW

MSRP $209

At a glance

10 of 29 specs differ

Diameter

M-139mm

GC Skull Wing41mm

Power Reserve

M-142h

GC Skull Wing40h

Water Resistance

M-1100m

GC Skull Wing50m

MSRP

M-1—

GC Skull Wing$209

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

Dune

Black

Movement

3 specs

Caliber

Sellita SW216-1

—

Type

Manual

Automatic

Power Reserve

42h

40h

Pricing

1 specs

MSRP

—

$209

Follow this matchup

Get a note when Aera Instruments M-1 vs Oblvlo GC Skull Wing gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

CWC

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

CWC Cabot Steel Limited Edition WatchvsOblvlo GC Skull Wing Oblvlo GC Skull WingvsFarer Lethbridge Gold Farer CUSHION CASEvsOblvlo GC Skull Wing Oblvlo GC Skull WingvsAevig THOR manualwind dresswatch Aera Instruments M-1vsSeiko DressKX Aera Instruments M-1vsCitizen Tsuyosa Disney

Edit this comparison Add another watch Explore more 38–42mm watches

Aera Instruments M-1vsOblvlo GC Skull Wing

At a glance

Full specifications

Follow this matchup

More watches worth a look

Cabot Steel Limited Edition Watch

DressKX

Lethbridge Gold

Tsuyosa Disney

THOR manualwind dresswatch

Leviathan

CISO M38 MAC V SOG

Eagle Ray

People also compared