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Audemars Piguet Grande Sonnerie Carillon Ref. 25936 BA

ProbableCredible evidence exists but classification is not fully established.

Record status

Individual type · partial

Period

circa 1997-1999

Maker / issuer

Audemars Piguet

This Audemars Piguet Grande Sonnerie Carillon wristwatch, reference 25936 BA, is a manual-winding timepiece cased in 18K yellow gold. Produced between 1997 and 1999, this model is one of five examples manufactured in this metal, part of a limited edition run.

The watch features a round case, measuring 39 mm in diameter, with a sapphire-crystal case-back secured by five screws. The dial is silver-coloured with a guilloché pattern and a subsidiary seconds sub-dial at the 6 o'clock position. The movement is the calibre 2890, which provides minute-repeater functions, as well as Grande Sonnerie and Petite Sonnerie striking modes using three gongs. The assembly includes a twin-barrel differential-winding system.

The timepiece is presented on a black leather strap with an 18K yellow gold Audemars Piguet deployant clasp. Accessories include an original fitted box, a magnifying glass, and an extract from the archives.

Evidence at a glance

Linked sources
1
Photograph views
1
Catalogue references
0

Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.

Technical characteristics

Type
Minute-repeating wristwatch
Maker
Audemars Piguet
Functions
Minute-repeater, Grande Sonnerie, Petite Sonnerie
Reference
25936 BA
Case Number
E 28 790
Case Material
18K yellow gold
Place recorded
Switzerland
Movement Number
456 616
Movement Calibre
2890
Production Years
1997-1999
Maker / attribution
Audemars Piguet

Design

Case and Dial
The watch is housed in a round, 18K yellow gold case measuring 39 mm in diameter. The design incorporates a silver-coloured dial embellished with an engine-turned guilloché pattern. Roman numerals mark the hour positions, complemented by a subsidiary seconds sub-dial located at the 6 o'clock position. The case-back is fitted with sapphire crystal, which is held in place by five screws, providing visibility to the internal mechanical movement. The exterior of the watch features a black leather strap secured by an 18K yellow gold Audemars Piguet deployant clasp. The overall configuration of the dial and case is consistent with the Grande Sonnerie Carillon model designation, with the case displaying the specific reference 25936 BA.
Visible features
• Silver guilloché dial with Roman numerals • Three-gong carillon striking mechanism • Black leather strap with gold deployant clasp • Exhibition case-back showing movement details
Signatures and Provenance
The watch is signed on the dial, the case, and the movement. The serial numbers identified are movement number 456 616 and case number E 28 790. The piece is identified as one of five produced in 18K yellow gold within a limited edition series of thirteen examples across varying case materials. The lot includes an original fitted box, a magnifying glass, and an extract from the archives.
Movement and Striking Mechanism
The movement is the Audemars Piguet calibre 2890, a manual-winding mechanism featuring a twin-barrel differential-winding system. The movement includes a minute-repeater function with a carillon that strikes on three gongs. It is capable of both Grande Sonnerie and Petite Sonnerie modes; in the former, it strikes the hour and quarter every 15 minutes, while in the latter, it strikes only the full hour. Technical documentation notes that the calibre 2890 was produced in a limited run of 48 examples.

Identification

Reference
25936 BA
Serial number
E 28 790
Source note
Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.

Catalogue references

No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.

Research required

  • Research required: The auction description reports the movement requires an overhaul at the buyer's expense
  • Research required: The auction description notes the movement was produced in a total of 48 examples, while the specific reference was produced in 13 examples
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