Ref. #15305ST.OO.1220ST.01

Royal Oak Openworked Selfwinding

Not for sale.

Selfwinding skeleton watch with centre seconds. Stainless steel case, anthracite dial, stainless steel bracelet.

Case

Stainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown

Case Width
39 MM
Case Thickness
9.4 MM
Water Resistance
50 M
Dial

Slate grey dial, white gold applied hour-markers and Royal Oak hands with luminescent coating

Bracelet

Stainless steel bracelet with AP folding clasp

mechanism

Powered by the natural movements of your wrist.

Selfwinding

Royal Oak Openworked Selfwinding

Specifications

Watch

Ref #15305ST.OO.1220ST.01

Case

Stainless steel case, glareproofed sapphire crystal and caseback, screw-locked crown

Case Width

39 mm

Water Resistance

50 m

Case Thickness

9.4 mm

Dial

Slate grey dial, white gold applied hour-markers and Royal Oak hands with luminescent coating

Bracelet

Stainless steel bracelet with AP folding clasp

Calibre

Calibre 3129 Manufacture

Total diameter

11¾ mm

Frequency of balance wheel

3,00 Hz (21'600 alternances/hour)

Type of oscillating weight

Monobloc in 22-carat gold

Number of jewels

38

Calibre

Calibre 3129 Manufacture

Type of balance-spring stud-holder

Screwed mobile stud

Power reserve

60 h

Balance-spring type

With Variable inertia blocks

Direction of automatic winding

Bidirectional

Number of parts

239

Functions

Hours, minutes, centre seconds