Breguet
Type XX – Chronographe 2057
Type XX – Chronographe 2057
TECHNICAL SPECIFICATIONS
MOVEMENT
Winding: Self-winding
Calibre: 7281
Lines: 14
Jewels: 34
Frequency: 5
Balance-wheel: Breguet
Escapement: Spiral flat and lever silicon
Balance-spring: Flat / silicon
Oscillating weight: 18 Carats
Number of components: 339
CASE
Metal: Steel
Skeleton: No
Sapphire caseback: Yes
Case shape: Round
Diameter (mm): 42
Case height (mm): 36.5
Case thickness (mm): 14.1
Water-resistant (m): 10 Bar (100 m)