Seiko NH36A Steel Mechanical Automatic Watch Day Date Movement White Date WheelNH36A Movement Japan Seiko NH36A Premium Mechanical Movement NH35 White Datewheel 24 Jewels Automatic Self winding High Accuracy Movt Replace Model : MIYOTA NH36A Ligne MM Size: 12"' 26. 00 mm Height: 5. 32 mm Height with cannon pinion: 7. 55 mm Outer Diameter: 27. 40 mm Casing Diameter (with dial holding spacer): 29. 36 mm Has a date display at 3: 00 Has 3 hands with Date Hand Hole Sizes (H M S): 150 89 21 21,600 BPH ( 20 +40 secs per day) Has 24