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Audemars Piguet Selfwinding Chronograph "50th Anniversary"

Audemars Piguet Selfwinding Chronograph "50th Anniversary"

AutomaticSteel

Ref. 26240ST.OO.1320ST.04

Collection: Royal OakCase size: 41mmMovement: 4401

Audemars Piguet's Royal Oak Selfwinding Chronograph "50th Anniversary", reference 26240ST.OO.1320ST.04, has a steel case measuring 41 mm across and 6.8 mm thick. The dial is green, finished in the brand's signature Grande Tapisserie pattern, and sits under a sapphire crystal. Inside is the self-winding calibre 4401, a manufacture movement fitted to this chronograph. It combines a flyback function with small seconds and a date display, giving the pusher-operated timing an added layer of practicality. The case pairs with a matching steel bracelet closed by a folding clasp. Audemars Piguet rates the case to 50 metres of water resistance.

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Last updated 11 Jul 2026Suggest a correction

TECHNICAL SPECIFICATIONS

GENERAL

Gender

Men

CASE

Diameter

41mm

Thickness

6.8mm

Case Material

Steel

Water Resistance

50m

Crystal

Sapphire Crystal

Bezel Material

Steel

Case Shape

Octagonal

MOVEMENT

Movement Type

Automatic

Caliber

4401

Power Reserve

70h

Jewels

40 jewels

DIAL

Dial Color

Green

BRACELET/STRAP

Bracelet/Strap

Steel

Clasp Type

Fold Clasp

FEATURES & COMPLICATIONS

ChronographDateFlybackSmall seconds

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