18K yellow gold case with screw-down case back, silver-toned dial with sword-shaped hour markers and red-painted seconds sphere, date window at 3 o'clock. Incabloc mechanical self-winding movement. Serial No. 170550 on case back. Aftermarked strap and gold plated buckle. Serial no. 170590. Case diameter 3 mm. Weight 43 g. Item condition grading: **** good, currently working.