TECHNICAL DATA
MOVEMENT
| Caliber | Breitling B20 (Manufacture) | 
|---|---|
| Movement | Selfwinding, high frequency | 
| Power reserve | Approx. 70 hrs | 
| Vibration | 28,800 v.p.h | 
| Jewel | 26 jewels | 
| Calendar | Dial aperture | 

CASE
| Case material | Stainless steel | 
|---|---|
| Caseback | Screwed in | 
| Water resistance | 200 m (660 ft)?i | 
| Bezel | Unidirectional ratcheted rotating bezel | 
| Crown | Screw-locked, two gaskets | 
| Crystal | Cambered sapphire, glareproofed both sides | 

DIMENSIONS
| Product Weight (Approx.) | 180.0 g. | 
|---|---|
| Watch-head Weight (Approx.) | 86.6 g. | 
| Diameter | 42.0 mm | 
| Thickness | 14.35 mm mm | 
| Height (upper lug tip to lower lug tip) | 51.5 mm | 
| Lug width (in-between lug) | 22.0 mm | 

STRAP
| Strap material | Stainless steel | 
|---|---|
| Strap color | Metal bracelet | 
| Strap type | Straight | 
| Lug | 22/20 mm | 


 PATRIMONY PERPETUAL CALENDAR ULTRA-THIN 43175/000R-9687
PATRIMONY PERPETUAL CALENDAR ULTRA-THIN 43175/000R-9687						 Richard Mille RM 52-01 Tourbillon Skull Nano Ceramique
Richard Mille RM 52-01 Tourbillon Skull Nano Ceramique						









 
				











 
				
 
				 
				
 
				 
				
 
				
 
				 
				
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