• Caliber Number: 4R36
• Movement Type: Automatic with manual winding
• Power reserve: Approx. 41 hours
• Jewels: 24
• Functions: Stop seconds hand function, Day/Date display
• Case Material: Stainless steel
• Case Size: Thickness:13.2mm, Diameter:39.4mm, Lug-to-lug:48.1mm
• Crystal: Curved Hardlex
• LumiBrite: LumiBrite on hands and index(es)
• Band Material: Nylon
• Distance between lugs: 20
• Water Resistance: 10 bar
• Weight; 77.0g
• See-through case back
• Screw case back

-- About Day-date display --

This model has both English and Japanese(Kanji) day wheels. (switching by a crown)
English: MON, TUE, WED, THU, FRI, SAT, SUN
Japanese: 月、火、水、木、金、土、日