The Navitimer 1461 gets its name from the fact that the semi-perpetual-calendar on this watch will only need a single correction once in the 4 year cycle of Leap-Years. On the 1461st day the watch will require that the calendar be corrected. 
 

This Watch Features: 

- Polished finished stainless steel case. 
- Black dial with black sub-dials. 
- Polished steel hands with luminous fill. 
- Polished applied steel index hour markers with luminous tips. 
- Printed seconds & fractions of seconds track. 
 

Chronograph/Stopwatch functions: 
- Large central seconds counter hand, capable of measuring time up to 1/4th of a second. 
- 30 minute counter located on the outside perimeter of the sub-dial at the 9 o’clock position. 
- 12 hour counter located on the outside perimeter of the sub-dial at the 6 o’clock position. 

- Day of the week indicator located an the center of the sub-dial at the 6 o’clock position. 
- Date of the month indicator located on the outside perimeter of the sub-dial at the 12 o’clock position. 
- Month indicator located an the center of the sub-dial at the 9 o’clock position 
- Moonphase display sub-dial located at the 3 o’clock position. 

Additional Complications: 
- Printed Tachymeter scale on bezel flange. 
- Small running seconds sub-dial located at the center of the cub-dial at the 12 o’clock position. 

Details: 

Brand: Breitling 
Case Material: Stainless Steel 
Series: Transocean 
Case Diameter: 43mm 
Model: A1931012/BB68 
Case Thickness: 14.35mm 
Dial Color: Black 
Dial Numerals: Index 
Crystal: Sapphire Crystal 
Water Resistant: 50m/165ft 
Movement Type: Automatic 
Bracelet Material: Stainless Steel 
Movement/Caliber: Caliber 19 
Power Reserve: 42 h 
Clasp Type: Fold-over 
Number of Jewels: 38 
Buckle Material: Stainless Steel 
Frequency: 28,800 vph