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Breitling Chronomat B31 Automatic 40

Breitling Chronomat B31 Automatic 40

AutomaticSteel

Ref. AB3114101C1A1

Collection: ChronomatCase size: 40mmMovement: B31Production: 2026 - Present

The Breitling Chronomat B31 Automatic 40, reference AB3114101C1A1, has a 40 mm steel case. This dive watch measures 10.99 mm thick and is rated to 200 metres for water resistance. Calibre B31 is self-winding with a 78-hour power reserve. A sapphire crystal covers the blue dial and its date display. The watch has a display back and a unidirectional rotating bezel. A steel bracelet is fitted to the watch. A screw-down crown is fitted to the watch.

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Last updated 7 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

40mm

Thickness

10.99mm

Lug Width

18mm

Case Material

Steel

Water Resistance

200m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

B31

Power Reserve

78h

Frequency

28,800 vph (4 Hz)

Jewels

26 jewels

DIAL

Dial Color

Blue

BRACELET/STRAP

Bracelet/Strap

Steel

FEATURES & COMPLICATIONS

DateDisplay backRotating BezelScrew-Down Crown

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