BT Navitimer B01 CHRONOGRAPH 43 Ref# RB0138211B1R1

Unworn BT Navitimer B01 CHRONOGRAPH RB0138211B1R1, 43 mm, Black Dial, 18k red gold case. Bidirectional, slide rule bezel. Cambered sapphire, glareproofed both sides crystal. BT 01 (Manufacture) calibre, Self-winding mechanical movement, 70 hours power reserve, 47 jewels. 18k red gold bracelet. Water resistance 30 m

TECHNICAL DATA

• Caliber: BT 01 (Manufacture)
• Movement: Self-winding mechanical
• Power reserve: Approx. 70 hrs
• Chronograph: 1/4th second, 30 minutes, 12 hours
• Vibration: 28,800 v.p.h
• Jewel: 47 jewels
• Calendar: Dial aperture
• Case material: 18k red gold
• Caseback: Screwed in (sapphire crystal)
• Water resistance: 3 bars
• Bezel: Bidirectional, slide rule
• Crown: Non screw-locked, two gaskets
• Crystal: Cambered sapphire, glareproofed both sides
• Product Weight (Approx.): 226.0 g.
• Watch-head Weight (Approx.): 95.4 g.
• Diameter: 43.0 mm
• Thickness: 13.6 mm
• Height (upper lug tip to lower lug tip): 49.0 mm
• Lug width (in-between lug): 22.0 mm
• Strap material: 18k red gold
• Strap color: Metal bracelet
• Strap type: Straight
• Lug: 22/18 mm