This is a Ricoh "Ocean Diver" automatic compresor style vintage watch, it's New Old Stock, NOS, all stainless steel, from the 70's. Same case and layout as the Ricoh Ocean Diver variant, although this example is not signed Ocean Diver on the dial. It's a casual and sporty wristwatch, for daily use or collect, very collectible, inner rotating bezel, rare presentation dial variant with institutional logo, adding an extra layer of vintage history, we couldn't find what it is. All our watches are covered by 12 months warranty. State of use: NOS, New Old Stock, never used. Gender: Men's or unisex. General condition: Excellent 9.6/10 (in a NOS scale). Working conditions: Working perfectly, all functions. Functions: Time, Date, Day (Spanish only), quickset. Movement: Automatic, self winding, Ricoh 61, working perfect, fully serviced and guaranteed. Dial / hands: Perfect condition, gray color, rare logo at 1:30. Case: Excellent condition, all stainless steel, with a few superficial scratches from storage. Bracelet: It seems original but it's not signed, perfect condition, all stainless steel. Crystal: Excellent condition, original, Plexiglas, no scratches. Crowns: Perfect condition, original, both signed. Bezel: Perfect condition, it moves smoothly. The movement is in perfect condition and has been serviced and regulated by our watchmaker, a specialist in vintage watches, at our facilities. The service includes complete disassembly, cleaning of every component, and proper lubrication using only Swiss-made products. Our watches have not been water-resistance tested. Therefore, we cannot accept responsibility for any water damage. Please do not wet or immerse it. The watch will be delivered in a Vintage Watch Place watch box, securely packaged, and with a certificate of authenticity and warranty.