Rolex brand

Sunday Calendar Series

Automatic mechanical movement type

Cal.3156 movement model

41 mm diameter

18k gold watch case material

Basic Information Number: 218238-83218; Champagne Dial; Brand: Rolex; Series: Day-Date; Movement Type: Automatic; Gender: Men’s; Movement Model: Cal. 3156; Movement Type: Automatic; Manufacturer: Rolex; Base Movement: ETA 2836-2; Movement Diameter: 30.97 mm; Frequency: 28,800 vibrations per hour; Hairspring: Parachrom; Shock-resistant: Paraflex Jewel count: 31; Power reserve: 48 hours; Technical certification: Swiss Official Chronometer Testing Institute (COSC); Case diameter: 41 mm; Case thickness: Not available; Dial color: Gold; Dial shape: Round; Strap color: Gold; Clasp type: Concealed crown buckle; Case back: Solid; Weight: Not available; Water resistance: 100 meters; Hour markers: Roman numerals; Clasp spacing: Not available; Lug spacing: Not available; Materials: Case material: 18k gold; Dial material: Roman numeral hour markers; Bezel material: 18k gold, with triangular knurled outer ring; Crystal material: Sapphire crystal; Crown material: 18k gold; Strap material: 18k gold; Clasp material: 18k gold; Functions: Date display, Day display