https://www.youtube.com/watch?v=OYvSCRrJ6_A

Deep Blue Sea Diver 1K Watch  (youtube link)

Deep Blue Sea Diver 1K Day/Date watch
Model: Seadiver 1K
Movement: Automatic
Caliber: Miyota 8205, 21 Jewels, 45 hour power reserve
Case: 316L Stainless steel
Diameter: 46mm (about 49mm including crown)
Thickness: 14mm
Dial: Yellow
Features: Day/Date at 3:00 (bilingual weekday)
Bezel: Uni-directional rotating
Band: Stainless steel bracelet (fits 7.5″)
Crystal: Sapphire
Depth Rating: 1000m / 3300ft
Crown: Screw-down
Includes: Scuba tank case and outer box
Condition: Excellent
Retail Price: $499
Extra Info: This watch is equipped with a helium release valve at the 2:00 position. The steel case and bracelet have a nice heavy feel to them and the bezel is very smooth and easily clicks into place.