ᴀ ʀᴏʟᴇx ᴘᴇʀᴘᴇᴛᴜᴀʟ ᴀᴜᴛᴏᴍᴀᴛɪᴄ ᴛɪᴍᴇᴘɪᴇᴄᴇ, ꜱᴜᴄʜ ᴀꜱ ᴛʜᴇ&ɴʙꜱᴘ;ᴏʏꜱᴛᴇʀ ᴘᴇʀᴘᴇᴛᴜᴀʟ,&ɴʙꜱᴘ;ᴛʏᴘɪᴄᴀʟʟʏ ꜰᴇᴀᴛᴜʀᴇꜱ ᴀ ꜱᴇʟꜰ-ᴡɪɴᴅɪɴɢ ᴍᴇᴄʜᴀɴɪᴄᴀʟ ᴍᴏᴠᴇᴍᴇɴᴛ, ʟɪᴋᴇ ᴛʜᴇ ᴄᴀʟɪʙʀᴇ 3230 ɪɴ ᴛʜᴇ 41ᴍᴍ ᴍᴏᴅᴇʟ, ʜᴏᴜꜱᴇᴅ ɪɴ ᴀɴ ᴏʏꜱᴛᴇʀꜱᴛᴇᴇʟ ᴄᴀꜱᴇ ᴡɪᴛʜ ᴀ ꜱᴀᴘᴘʜɪʀᴇ ᴄʀʏꜱᴛᴀʟ.&ɴʙꜱᴘ;ᴋᴇʏ ꜱᴘᴇᴄɪꜰɪᴄᴀᴛɪᴏɴꜱ ɪɴᴄʟᴜᴅᴇ&ɴʙꜱᴘ;100-ᴍᴇᴛᴇʀ ᴡᴀᴛᴇʀ ʀᴇꜱɪꜱᴛᴀɴᴄᴇ, ᴀ 36-ʜᴏᴜʀ ᴘᴏᴡᴇʀ ʀᴇꜱᴇʀᴠᴇ, ꜱᴜᴘᴇʀʟᴀᴛɪᴠᴇ ᴄʜʀᴏɴᴏᴍᴇᴛᴇʀ ᴄᴇʀᴛɪꜰɪᴄᴀᴛɪᴏɴ ꜰᴏʀ ᴘʀᴇᴄɪꜱɪᴏɴ, ᴀɴᴅ ᴀ ʙɪᴅɪʀᴇᴄᴛɪᴏɴᴀʟ ꜱᴇʟꜰ-ᴡɪɴᴅɪɴɢ ʀᴏᴛᴏʀ ꜰᴏʀ ᴘᴏᴡᴇʀ

Movement: 

• Type: Perpetual, mechanical, self-winding.
• Calibre Example: Calibre 3230 (used in 41mm Oyster Perpetual).
• Precision: -2/+2 sec/day, after casing, certified as a Superlative Chronometer.
• Oscillator: Features a paramagnetic blue Parachrom hairspring and high-performance Paraflex shock absorbers.
• Winding: Bidirectional self-winding via the Perpetual rotor.
• Power Reserve: Approximately 36 hours.

Case: 

• Material: Typically Oystersteel.
• Architecture: Monobloc middle case, with a screw-down case back and winding crown.
• Diameter: Varies by model (e.g., 41mm for the Oyster Perpetual).
• Bezel: Usually domed.
• Crystal: Scratch-resistant sapphire.

Other Features: 

• Water Resistance:

  Waterproof to 100 meters / 330 feet.
• Functions:

  Center hour, minute,