BR-X1 A521
Technical Specifications
Movement : BR-CAL.313. Automatic mechanical. X-shaped upper bridge. 56 jewels, 28,800 vph. Skeleton chronograph.
Functions : Hours, minutes, small seconds at 3 o'clock. Skeletonized date at 6 o'clock. Chronograph: 30-minute counter at 9 o'clock, chronograph seconds in the center. Tachymeter scale on the flange.
Case : Width 45 mm. PVD titanium and ceramic with rubber inserts. Bidirectional rotating steel bezel with “Time Marker” timing bezel. Rocker pushers. Case back with tinted sapphire crystal opening, centered on the balance wheel.
Dial : Skeleton. Metal applique numerals filled with Super-LumiNova®. Skeletonized metal hour and minute hands filled with Super-LumiNova®.
Crystal : Anti-reflective coated sapphire.
Water resistance : 100 meters.
Strap : Perforated black rubber.
Buckle : Barb. Steel with black rubber overlay.














