Which is cheaper, the Oblvlo GCM Mechanical or the Formex Reef 39.5 mm?

At MSRP the Oblvlo GCM Mechanical is the cheaper of the two at $231, against $2,230 for the Formex Reef 39.5 mm — a $1,999 gap before any retailer discounting.

Which is bigger, the Oblvlo GCM Mechanical or the Formex Reef 39.5 mm?

The Oblvlo GCM Mechanical wears larger at 41mm versus 39.5mm for the Formex Reef 39.5 mm — a 1.5mm difference across the dial.

Which has better water resistance, the Oblvlo GCM Mechanical or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 50m for the Oblvlo GCM Mechanical.

Which has a longer power reserve, the Oblvlo GCM Mechanical or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 42 hours on the Oblvlo GCM Mechanical.

What movement does the Oblvlo GCM Mechanical run compared to the Formex Reef 39.5 mm?

Both watches run automatic movements — the Oblvlo GCM Mechanical uses the Miyota 82S5 and the Formex Reef 39.5 mm uses the Sellita SW300-1.

Side by side

Oblvlo GCM MechanicalvsFormex Reef 39.5 mm

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

Oblvlo GCM Mechanical

GCM-MUT

MSRP $231

Formex Reef 39.5 mm

reef-39.5-automatic-chronometer-cosc-300m-bahama-blue

MSRP $2,230

At a glance

10 of 29 specs differ

Diameter

GCM Mechanical41mm

Reef 39.5 mm39.5mm

Power Reserve

GCM Mechanical42h

Reef 39.5 mm56h

Water Resistance

GCM Mechanical50m

Reef 39.5 mm300m

MSRP

GCM Mechanical$231

Reef 39.5 mm$2,230

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Black

Bahama Blue

Movement

2 specs

Caliber

Miyota 82S5

Sellita SW300-1

Power Reserve

42h

56h

Pricing

1 specs

MSRP

$231

$2,230

Follow this matchup

Get a note when Oblvlo GCM Mechanical vs Formex Reef 39.5 mm 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.

Venezianicomicro

Adjacent matchups

People also compared

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

Venezianico Arsenale CalendariovsFormex Reef 39.5 mm Formex Reef 39.5 mmvsOblvlo TM Mechanical Oblvlo IM Multi-PointervsFormex Reef 39.5 mm Dan Henry 1972vsFormex Reef 39.5 mm Oblvlo GCM MechanicalvsFormex Reef 42 mm Boldr BlastoisevsOblvlo GCM Mechanical

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

Oblvlo GCM MechanicalvsFormex Reef 39.5 mm

At a glance

Full specifications

Follow this matchup

More watches worth a look

Arsenale Calendario

Blastoise

TM Mechanical

Argo

IM Multi-Pointer

Voyager

1972

Porto Covo

People also compared