Rolex brand

Logbook series

Automatic mechanical movement type

Cal.2235 movement model

31 mm diameter

Oyster steel case material

Basic Information Number: m178240-0023 Brand: Rolex Series: Datejust Movement Type: Automatic Gender: Women’s Movement Model: Cal.2235 Movement Type: Automatic Manufacturer: Rolex Movement Diameter: 20mm Movement Thickness: 5.95mm Frequency: 28,800 vibrations per hour Hairspring: Parachrom Shock Absorber: Paraflex Jewel count: 31; Power reserve: 48 hours; Technical certification: Superlative Chronometer certification; Appearance: Case diameter: 31 mm; Case thickness: Not available; Dial color: Blue; Dial shape: Round; Strap color: Silver; Clasp type: Folding Oyster buckle with 5 mm Easylink extension system; Case back: Solid; Weight: Not available; Water resistance: 100 meters; Hour markers: Bat markers; Clasp spacing: Not available; Lug spacing: Not available; Materials: Case material: Oystersteel; Dial material: Not available; Bezel material: Oystersteel, domed outer ring; Crystal material: Scratch-resistant sapphire crystal; Crown material: Screw-down Twinlock double waterproof system; Strap material: Oystersteel; Clasp material: Stainless steel; Functions: Date display