Alpina 4

Case is unpolished, case material stainless steel made by Francois borgel (fb), all matching parts (no replacements), automatic bumper (hammerautomatik) movement caliber 584 17 jewels, circa year 1950s, original dome acrylic glass (scratches), golden matte aging dial, stern numeral and arrow marker indices, size diameter 34mm, lug to lug 40mm, lug width 18mm. good condition NB: The things you could pay attention is only the crown (need a little service because of some friction) it might be costly at IDR.100.000-150.000 (more or less than 10$) but this does not affect its performance only used when adjusting the time. No doubt bumper movement is a fascinating chapter in horology (you could find its in watches like JLC memovox k825, omega constellation cal354, vacheron constantin k477/1, universal geneve polerouter cal139, mido and yes Alpina 584). Alpina is a Swiss watch company founded in 1883 by Gottlieb Hauser. The company's history includes pioneering sports watches, supplying timepieces to the military, and developing innovative movements.