Which is bigger, the Loresum LS01 or the Formex Reef 39.5 mm?

The Loresum LS01 wears larger at 42mm versus 39.5mm for the Formex Reef 39.5 mm — a 2.5mm difference across the dial.

Which has better water resistance, the Loresum LS01 or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm is rated to 300m versus 50m for the Loresum LS01.

Which has a longer power reserve, the Loresum LS01 or the Formex Reef 39.5 mm?

The Formex Reef 39.5 mm carries a 56-hour power reserve against 40 hours on the Loresum LS01.

What movement does the Loresum LS01 run compared to the Formex Reef 39.5 mm?

Both watches run automatic movements — the Loresum LS01 uses the Miyota 9015 and the Formex Reef 39.5 mm uses the Sellita SW300-1.

Side by side

Loresum LS01vsFormex Reef 39.5 mm

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

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Loresum LS01

ls03-rose-gold-plated

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

LS0142mm

Reef 39.5 mm39.5mm

Power Reserve

LS0140h

Reef 39.5 mm56h

Water Resistance

LS0150m

Reef 39.5 mm300m

MSRP

LS01—

Reef 39.5 mm$2,230

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

—

Bahama Blue

Lume

Swiss Super-LumiNova® BGW9

Super-LumiNova

Movement

2 specs

Caliber

Miyota 9015

Sellita SW300-1

Power Reserve

40h

56h

Pricing

1 specs

MSRP

—

$2,230

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Loresum LS01vsFormex Reef 39.5 mm

At a glance

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