From my personal collection of watches: Seiko 'SEA URCHIN' - 5 Sports model no. 7S36 01X0 - 23 jewel Automatic, day/date window - glass/see through case back See through Seiko back case, full view of mechanism. Seiko silver dial, fully signed Seiko 5 Sports Water 100m Resist Automatic 23 Jewels - sports timers insert. Mini-Monster bezel Radium dauphine hour & minute hands, day/date window 3 o'clock Seiko automatic 7S36 calibre movement. Day/date & in full working order Stainless steel Seiko case, 42 x 48 mm without crown/lug to lug Steel crown - original Original steel Seiko divers strap, fit c.18cm Additional watches purchased on the same order DELIVERED FREE Wear & tear commensurate with age - please see photos Strap can be changed free of charge at the time of sale for anything I have in stock - please contact ASAP for more information Shipped from the UK via Royal Mail tracked & signed for services, fully insured (UK will require special delivery service for full insurance) Water resistance untested Thank you for looking and please do not hesitate in contacting me if you have any questions.