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Free insured worldwide express delivery
GOLDAMMER authenticity guarantee
1-year mechanical warranty
14-day free & easy returns
- Description
When todays Reference 4100 - the third iteration of AP’s iconic sports watch - was launched in 1977, it was the first to feature a central seconds hand and, at 35mm, was designed for those who found the jumbo models too big.
This 18k 35mm reference 4100BA is in a condition that will make any collector sweat. The grey petit-tapisserie dial, made by Stern, bears the old-style Audemars Piguet signature and is in fantastic condition. The case has the correct winding crown without the logo. The bracelet is in good condition and fits a wrist of up to 18.5 cm. The watch has the caliber 2123, a modified Jaeger-LeCoultre movement, as is often the case with AP.
Our particular Reference 4100BA features a 35mm solid yellow gold case with a sapphire crystal, an unsigned crown, a polished gold bezel, and a grey colored hobnail dial with a yellow gold 'stick' handset.
- wrist size in our picture is 18cm circumference -
DIAL:
- original never touched grey colored hobnail dial in flawless condition
- original hands, dial & crown
BRACELET & CLASP:
- the 18k yellow gold "Royal Oak" bracelet can be worn up to a 18,5 cm wrist / 2.2 mm thick
- original Audemars Piguet clasp
CASE:
- excellent overall condition, showing minor traces of use
- 3- body 18k yellow gold case with screw down case back
- 35 mm (without crown) / 44 mm (lug-to-lug) / 23 mm (bracelet) / 8 mm thick
- Year: 1979
- Ref.: 4100BA
- total weight: 165 g
MOVEMENT:
- Audemars Piguet Cal. 2123 - automatic
- 33 jewels, 28800 A/h, 40 hours power reserve
- professionally serviced 05/2025
- +5 sec/d / 300°
BOX & PAPERS:
- comes with a printed version of a digital extract from the archives of Audemars Piguet from March 2024
- GOLDAMMER certificate of authenticity & service documentation card
- GOLDAMMER box
GOLDAMMER REFERENCE: #917
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Each watch undergoes a thorough check and service by our team of watchmakers to guarantee flawless condition from day one.

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Our watches are covered by a 1-year mechanical warranty. If anything goes wrong, please let us know know immediately.

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Every watch is meticulously authenticated by our dedicated team of watchmaking experts and specialists. Certificate included.
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