Brand: CERTINA Model: Argonaut 5801-122 Diver black Crosshair tritium dial 1970’s Reference: 5801-122 Serial case number: 6949XXX Serial movement number: Year of production: 1970 Case / Dimensions: Steel / 36,5 MM excluding winding crown Case thickness: 13 MM including plastic glass Case back: Steel waterproof screw closure Water resistance: Bezel: Steel bidirectional with black colour bakelite insert to graduated scale Glass: Plastic domed Dial: Matte black color with date, red crosshair detail, indexes and hands to tritium Movement: Automatic winding mechanical caliber 25-651 – 27 Jewels Watchstrap: Pockmarked calfskin leather black colour with steel buckle original Certina Box: Original Certina of the epoch Warranty Certina: No Shop warranty: Valid for 12 months Notes and conditions: Certina Argonaut Diver with date steel, year of production 1970, bidirectional steel bezel with black colour bakelite insert to graduated scale, domed plastic glass, black colour dial with date, internal hour indications in red colour, indexes and hands to tritium, mechanical movement winding automatic, black colour pockmarked calfskin watch strap with steel buckle original Certina. Original Certina watch in every part, very rare, overhauled in excellent condition, no or barely visible signs of wear, original Certina box of the epoch, warranty/declaration of sale our shop valid for 12 months.