Which is bigger, the Beaufort Aerotimer or the Loresum LS05?

The Beaufort Aerotimer wears larger at 40mm versus 39.5mm for the Loresum LS05 — a 0.5mm difference across the dial.

Which has better water resistance, the Beaufort Aerotimer or the Loresum LS05?

The Beaufort Aerotimer is rated to 100m versus 50m for the Loresum LS05.

Which has a longer power reserve, the Beaufort Aerotimer or the Loresum LS05?

The Beaufort Aerotimer carries a 42-hour power reserve against 40 hours on the Loresum LS05.

What movement does the Beaufort Aerotimer run compared to the Loresum LS05?

Both watches run automatic movements — the Beaufort Aerotimer uses the STP 1-11 and the Loresum LS05 uses the Miyota 9015.

Side by side

Beaufort AerotimervsLoresum LS05

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

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Beaufort Aerotimer

aerotimer-navygilt

MSRP $599

Loresum LS05

ls05-guilloche-limited-edition

At a glance

10 of 29 specs differ

Diameter

Aerotimer40mm

LS0539.5mm

Power Reserve

Aerotimer42h

LS0540h

Water Resistance

Aerotimer100m

LS0550m

MSRP

Aerotimer$599

LS05—

Full specifications

Case

5 specs

Diameter

40mm

39.5mm

Thickness

11.45mm

9mm

Lug-to-Lug

48.5mm

46.5mm

Lug Width

22mm

—

Water Resistance

100m

50m

Crystal & Dial

2 specs

Dial Color

Navy

Green

Lume

C1 Super-LumiNova applied to 3hr, 6hr, 9hr, and 12hr indices and hands for low-l

Super-LumiNova® BGW9

Movement

2 specs

Caliber

STP 1-11

Miyota 9015

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$599

—

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Beaufort AerotimervsLoresum LS05

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