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The Collection

Page Catalogue
The Collection
Watches
Speedmaster
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Speedmaster
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Broad Arrow
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3881.50.37

Collection

Broad Arrow Co-Axial GMT Chronograph 44.25 mm

Steel on leather strap

3881.50.37

Note: watch no longer available

Features

24 hours GMT

24 hours GMT

A GMT function means that the watch has a second hour hand which completes one full rotation in 24 hours and a 24-hour index on the dial. Particularly useful for wearers who wish to track two time zones.

Chronograph

Chronograph

Complicated watch with a function for measuring short time periods in addition to its function for permanently displaying hours, minutes and seconds.

Chronometer

Chronometer

Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).

Date

Date

The day of the month, displayed in a window on a watch dial typically at the 3 o'clock or 6 o'clock position.

Small seconds

Small seconds

A hand on a sub-dial which tracks seconds; typically it completes a full rotation in one minute.

Tachymeter

Tachymeter

A tachymeter is an instrument for measuring speed. It is a chronograph with a graduated dial on which speed can be read off in kilometres per hour based on 1000 metres distance.

Transparent case back

Transparent case back

A transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.

Technical data

Crystal

Scratch-resistant sapphire crystal

Case

Steel

Dial

Black

Water resistance

10 bar (100 metres / 330 feet)

Size

Case Diameter: 44.25 mm

Movement

Calibre: Omega 3603

Self-winding chronograph with column wheel mechanism, free sprung-balance and Co-Axial escapement for greater precision and durability. 2nd time zone through 24 hour hand. 12 hour and 30 minute totalizers, start/stop push button, return-to-zero push button. Rhodium plated finish and gold plated engravings. Officially certified chronometer.

Power reserve: 52 hours

Type: Self winding

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