- Movement: Time Date Quartz Ronda 509.
Case: Stainless steel brushed 41mm diameter.
Water resistance: 30/100m/ft m/ft.
Glass: Mineral curved.
Strap: Leather 22mm.
Battery Mondaine: 371.
Water resistance: this watch is categorised as water resistant which means that it should cope with a variety of everyday occurences with water. After a battery change this may not apply; you are advised to seek the assistance of a professional watch maker for battery changes.