Kurono Tokyo Diver’s: ダイバーズ New

Automatic winding
Movement: MIYOTA 90S5 (24 jewels, 28,800 vph, approx. 40-hour power reserve)
Glass: Sapphire crystal
Case diameter: 35 x 35 mm (Lug to Lug: 37.4 mm)
Case thickness: 9 mm (incl. crystal)
Case material: Stainless steel (316L, high-polished, solid caseback)
Water resistance: 5 ATM
Lug width: 19 mm
Buckle width: 16 mm
Strap: Calf leather

With Diving case

Glass: Sapphire crystal
Case diameter: 46 mm (Lug to Lug: 56.7 mm)
Case thickness: 13.5 mm (incl. crystal)
Case material: Stainless steel (316L, high-polished, solid caseback)
Water resistance: 10 ATM
Lug width: 24 mm
Buckle width: 22 mm
Strap: Rubber

Made in Japan