ROLEX REF 2940 BUBBLE BACK STEEL
Rolex, "Oyster Perpetual, Officially Certified Chronometer",
case No. 400716 , Ref. 2940.Made circa 1943.
Fine tonneau-shaped, center-seconds, self winding, water
resistant, stainless steel wristwatch with a stainless steel Rolex
buckle.
Three body, polished and brushed, curved lugs, half-hooded
lugs, screwed-down domed case back and Oyster crown.
Silver with gold baton indexes, outer minutes/ seconds
track. Yellow gold hands.
Rhodium-plated, 19 jewels, straight-line lever escapement,
Super-balance, self-compensating Breguet balance spring.