Ref. 6234, Stainless Steel Pre-Daytona, Brown Color-Change Dial Rolex, 'Oyster Chronograph, Anti-Magnetic', case No. 688586, Ref. 6234. Made in 1961, sold in 1962. Very fine and extremely rare, tonneau-shaped, water-resistant, stainless steel
Vintage of the Week: Rolex Chronograph 6234 | Bob's Watches Rolex Blog
Rolex chronograph Pre Daytona ref. 6234 - BERNARDINI Milano