Audemars Piguet Royal Oak Royal Oak Automatic 29 Hour - Minute Stainless Steel / Blue

Reference 8638ST.00.0424ST.01

Audemars Piguet Royal Oak Automatic 29 Hour - Minute Stainless Steel / Blue

About this watch

The Audemars Piguet Royal Oak Automatic 29 is a masterpiece of luxury watchmaking, showcasing exceptional craftsmanship, precision, and timeless elegance. The stunning blue guilloche dial creates an intricate pattern that catches the light beautifully, giving the watch a dynamic appearance. Coupled with durable stainless steel, its practicality complements its elegance perfectly. Measuring a compact 29.00 mm in diameter, this watch is designed for those who appreciate a more understated size. The unique case shape deviates from traditional round designs, adding to its character. At the core of the Royal Oak Automatic 29 lies the Audemars Piguet caliber AP 2062, an automatic movement boasting 24 jewels to minimize friction and ensure accuracy. Stainless steel reinforces its luxury status, while high-quality sapphire glass ensures scratch resistance. The watch is designed with comfort in mind, featuring a lightweight construction and compact size. Its elegant design allows it to shine in various settings, proving that luxury can be versatile.

Buy Now on Jomashop

This is an affiliate link

Key Features

Automatic movement with 24 jewels
Stunning blue guilloche dial
Durable stainless steel construction
High-quality sapphire glass for scratch resistance
Unique case shape
Lightweight and compact design
Rich history and prestige of the Audemars Piguet brand

Specifications

Brand: Audemars Piguet
Family: Royal Oak
Model: Royal Oak Automatic 29 Hour - Minute Stainless Steel / Blue
Reference: 8638ST.00.0424ST.01
Movement: ap-2062
Case: Stainless Steel 29mm
Dial Color: Blue
Crystal: Sapphire

Current Listings

Audemars Piguet Royal Oak Offshore 26170ST.OO.D091CR.01

Audemars Piguet - 26170ST.OO.D091CR.01 · $18,699

A classic Royal Oak Offshore reference with a 42mm stainless steel case and iconic octagonal bezel. The watch features an automatic chronograph movement, date display at 3 o'clock, and comes complete with the original box and papers.

Condition: Excellent, light signs of careful wear
Case size: 42mm diameter
Movement type: Automatic chronograph

Posted at

Jan 17, 2026, 8:23 PM

Active

View listing on r/WatchExchange

[US] Audemars Piguet Royal Oak Chronograph 39mm Panda Silver Dial - AP 26300ST Full Set

Audemars Piguet - 26300ST

Audemars Piguet Royal Oak Chronograph with a 39mm panda silver dial.

Condition: Full Set
Diameter: 39mm

Posted at

Jan 16, 2026, 4:55 PM

Active

View listing on r/WatchExchange

AP Royal Oak Offshore Box & Papers Great Condition 26420TI.OO.A027CA.01

Audemars Piguet - 26420TI.OO.A027CA.01 · $27,900

This is the stunning Titanium 43mm model with the blue dial and matching rubber strap — lightweight, sporty, and incredibly comfortable on the wrist.

Condition: Excellent overall
Case material: Titanium
Diameter: 43mm
Straps included: Blue rubber strap

Posted at

Jan 16, 2026, 3:49 PM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore Selfwinding Chronograph Ceramic Rose Gold Grey Dial 44mm Box & Papers 26405NR.OO.A002CA.01

Audemars Piguet - 26405NR.OO.A002CA.01 · $47,495

This is a strong and beautiful rose gold and black ceramic Audemars Piguet Royal Oak Offshore Selfwinding Chronograph with a 44mm case size, smoked grey dial, and features like chronograph and date.

Condition: like new
Case size: 44mm diameter
Water resistance: 100m (10ATM) depth rating
Movement caliber: 3126/3840

Posted at

Jan 16, 2026, 8:10 AM

Active

View listing on r/WatchExchange

1988 Seiko Quartz Chronograph “Royal Oak” Ref. 7A38-7280 | $305

Seiko - 7A38-7280 · $305

The watch is a two-tone, angular, Royal Oak-inspired chrono powered by one of the best quartz movements ever made. It has a slim, sharp design that's more refined than most people would expect from a Seiko. The 7A38-7280 is pure 80s Seiko flex with real horology behind it.

Condition: Good condition for its age with some markings on the case and bracelet, mineral crystal in good shape
Case Size: 37.3 x 41.5mm
Movement Type: quartz
Jewels: 15

Posted at

Jan 15, 2026, 5:15 PM

Active

View listing on r/WatchExchange

2021 Audemars Piguet Royal Oak Offshore Chrono "The Beast" 42mm 26238ST Blue Dial - $36,900

Audemars Piguet - 26238ST.OO.2000ST.01 · $36,900

2021 Audemars Piguet Royal Oak Offshore Chronograph 42mm with a blue dial and stainless steel case.

Box: true
Papers: true
Manual: true

Posted at

Jan 15, 2026, 3:27 PM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore "Vampire" 26470ST - Mint

Audemars Piguet - 26470ST.OO.A101CR.01 · $20,895

The watch is an Audemars Piguet Royal Oak Offshore with a black Méga Tapisserie dial and blood-red chronograph accents, powered by the Calibre 3126/3840 self-winding movement.

Condition: Excellent
Movement: Calibre 3126/3840 self-winding (automatic)
Functions: chronograph, date, hours/minutes/seconds, small seconds
Power reserve: 50 hours

Posted at

Jan 13, 2026, 11:21 AM

Active

View listing on r/WatchExchange

Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 26238CD.OO.1300CD.01 Complete Set

Audemars Piguet - 26238CD.OO.1300CD.01 · $123,995

This Audemars Piguet Royal Oak Offshore Bleu Nuit Nuage 50 features a bold design, ceramic build, and in-house flyback chronograph movement. The 42 mm case delivers classic power in a modern form.

Condition: like new
Case size: 42 mm
Movement caliber: Calibre 4404
Power reserve: 70 hours

Posted at

Jan 13, 2026, 8:25 AM

Active

View listing on r/WatchExchange