Rolex, Oyster, Chronograph, Anti-Magnetic, Ref. 4500, 1940's. Very fine, tonneau shaped, water-resistant, stainless steel gentleman's wristwatch with round button chronograph, register, tachometer and telemeter, and stainless steel Oyster bracelet.
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C. two body, polished and brushed, screwed case back. D. matt silver with applied steel Arabic numerals and indexes, auxiliary seconds and 30-minute register dials, outer tachometer and telemeter graduations. "Alpha" steel hands. M. 13''', rhodium plated, 17 jewels, lever escapement, monometallic balance, self-compensating Breguet balance spring. Dial, case and movement signed. Diam. 35 mm.