Audemars Piguet Royal Oak Offshore 25808BA: rare full calendar in yellow gold

January 20, 2026

The Audemars Piguet Royal Oak Offshore 25808BA is an extremely rare full calendar in yellow gold, with only 76 pieces produced.

Audemars Piguet Royal Oak Offshore 25808BA: a rare complication

The Audemars Piguet Royal Oak Offshore 25808BA is one of the most intriguing and least produced Offshore references ever. While the Offshore line is often associated with robust sportiness, this version shows that technical complications and classic elegance go together perfectly.

With only 76 pieces in yellow gold, this model is exceptionally rare today.

Back to classic proportions

Following the introduction of the first Offshore in 1993 (42 mm), Audemars Piguet introduced references 25807 and 25808 in 1996, with significantly more refined dimensions:

  • 38 mm case diameter
  • 12.05 mm thickness

These proportions make the 25808BA remarkably wearable, even under a cuffed shirt, without losing the distinctive Offshore DNA.

The Jaeger-LeCoultre caliber 2127/2827

The heart of the 25808BA is the caliber 2127/2827, developed by Jaeger-LeCoultre exclusively for Audemars Piguet (JLC ref. 891/447).

This automatic Movement to the 11½-line family and has a historical link with the Audemars Piguet reference 5516 from 1955, the first full calendar with central date in watch history.

Complications:

  • Hours and minutes
  • Small second
  • Day and month windows (2 and 10 o'clock)
  • Central date display

Although purists Moon phase a Moon phase in a full calendar, designer Emmanuel Gueit deliberately opted for a Small second retain the sporty character.

Production and rarity

Official production figures:

  • 604 pieces in Steel
  • 76 pieces in yellow gold (25808BA)
  • A white gold variant mentioned but not confirmed

With a total of approximately 680 units produced, this is one of the least produced Offshore models ever.

Why collectors seek this model:

  • Extremely low production
  • Historic JLCMovement for AP
  • Ideal 38 mm dimensions
  • Rare complication within the Offshore line
  • Unique combination of sportiness and elegance