This is the ALPINA Extreme Diver, model ref: AL-525LB4V6B2, Swiss made automatic watch, genuine and new in box. It's men's size of 44mm but wears a little larger because of the barrel shape case. Great diver piece with 300M water resistance, screw down crown, ceramic bezel, on a great 22mm wide shark mesh bracelet with push button clasp with diver extension. The bracelet is also adjustable, there are sections you can remove to make it shorter. Automatic movement inside is running great. Comes with its original packaging including inner and outer boxes, tag and manuals.  Shipping in the US will be 2-day priority leaving next day after payment is received, If you're a bidder outside the US, you'll pay shipping , taxes and duties according to the Ebay Global shipping program, provided that your country is one of the participating in it.  Thanks for looking and please check out my other watches, always in great condition !