Skeleton Royal Oak Selfwinding
Selfwinding skeleton watch with centre seconds. 18-carat pink gold case, anthracite dial, brown strap.
Technical Details
Ref – 15305ST.OO.1220ST.01 Ref – 15305OR.OO.D088CR.01
Case
Glareproofed sapphire crystal and caseback,
screw-locked crown,
water-resistant to 50 m
Dial
Openworked, gold applied hour-markers with luminescent coating,
gold Royal Oak hands with luminescent coating
Bracelet
Hand-stitched “large square scale” crocodile strap with 18-carats pink gold AP folding clasp or stainless steel bracelet with AP folding clasp
Functions
Hours, minutes, centre seconds
Movement thickness with module – 0.00 mm
Total diameter – 11¾ mm
Type of balance – With Variable inertia blocks
Frequency of balance wheel – 3,00 (=21’600 alternances/hour) Hz
Type of balance-spring stud-holder – Screwed mobile stud
Balance-spring type – Flat
Direction of automatic winding – Bidirectional
Type of oscillating weight – Monobloc in 22-carat gold
Number of jewels – 38
Power reserve – 60 h
Number of parts – 239
Calibre
Calibre 3129 Manufactured
Specificities
Skeleton movement
Stop balance when setting time
Oscillating weight with ceramic ball bearings
Manual finishing on both bridges and mainplate
Oscillating weight can be custom decorated upon customer’s request
