Speedmaster ’57 SS Chrono

Size 41.5mm x 18.5mm
Movement  7750 chronograph automatic movement
Functions Hours, minutes, sub-seconds and date display; chronograph
Case Solid 316L stainless steel case
Dial Superlumed black dial and hands
Bezel 18K rose gold plated stainless steel tachymeter bezel
Strap Black leather strap
Clasp Deployant clasp
Water resistance >50 Meters