Oyster Perpetual 41 Oyster, 41 mm, Oystersteel Reference 134300

Rolex Oyster Perpetual 41 or 36 – Technical Specifications

1. Case & Exterior

• Model Case: Oyster, 41mm or 36mm, Oystersteel

• Architecture: Monobloc middle case, screw-down case back and winding crown

• Diameter: 41mm or 36mm

• Material: Oystersteel (904L stainless steel, highly corrosion-resistant)

• Bezel: Domed

• Winding Crown: Screw-down, Twinlock double waterproofness system

• Crystal: Scratch-resistant sapphire

• Water Resistance: 100 meters / 330 feet

2. Movement & Performance

• Movement Type: Perpetual, mechanical, self-winding

• Calibre: Rolex 3230 (Manufacture in-house movement)

• Precision: -2/+2 sec per day (after casing, COSC-certified)

• Functions:

  • Centre hour, minute, and seconds hands

  • Stop-seconds mechanism for precise time setting

• Oscillator:

  • Paramagnetic blue Parachrom hairspring (anti-magnetic, temperature-resistant)

  • High-performance Paraflex shock absorbers

• Winding: Bidirectional self-winding via Perpetual rotor

• Power Reserve: Approximately 70 hours

3. Key Features

• Iconic Oyster Case: Monobloc construction for superior waterproofness.

• Advanced Movement: 3230 calibre with Chronergy escapement for exceptional reliability.

• Optimal Size: 41mm or 36mm diameter, versatile for most wrist sizes.

• Everyday Durability: 100m water resistance and scratch-resistant sapphire crystal.