This OMEGA CONSTELLATION is an uncommon variation OMEGA sold into the Japanese market. Notice the dark silver original dial with OMEGA writing found in the (lower), instead of the usual upper portion of the dial. This watch has a quick-set date feature. The steel case is a mid-size 33mm. and has the original OMEGA crystal, raised sea monster case back logo and the original OMEGA bracelet attached. This watch will fit a wrist up to 6.75 inches. The caliber 1001 OMEGA movement is adjusted to chronometer standards, which is necessary to be the engine of the Constellation line of watches. The OMEGA winding crown is present. The case and bracelet all look VERY good for the age of the watch. The entire watch will attract many eyes. This is NOT a a small looking watch. You will wear this vintage OMEGA for a lifetime!