Knowledge Center

Professional Authentication Platform

Log InRegister

Rolex 3235

Confirmed

The 70-hour power reserve is the practical marker distinguishing a 3235 watch from its 3135 predecessor. Rolex's Superlative Chronometer certification is its own post-casing standard applied on top of COSC, not a synonym for it.

Specifications

Movement manufacturer
Rolex
Production
2015–present
Frequency
28,800 vph (4 Hz)
Jewels
31
Power reserve
70 hours
Winding
automatic
Complications
Centre seconds · Instantaneous quickset date
Shock protection
Paraflex
Balance
Free-sprung Glucydur balance with blue Parachrom hairspring
Rotor
Full rotor, bidirectional Perpetual winding
Certification
Superlative Chronometer (COSC plus Rolex's own −2/+2 s/day certification)

Architecture

Current-generation date caliber built around the Chronergy escapement — a reprofiled Swiss lever escapement in nickel-phosphorus, which Rolex states raises escapement efficiency by around 15 percent.

Related calibers

References using this caliber

Provenance of this record

Sources & Evidence

Primary sourceManufacturer documentation

Rolex — Perpetual movements (official technical pages)

Rolex SA

Accessed
2026-08-18

Cited for

This referenceConfirmed
View source ↗
Primary sourceTechnical documentation

COSC — Contrôle Officiel Suisse des Chronomètres: testing criteria

COSC

Accessed
2026-08-18

Cited for

This referenceConfirmed
View source ↗

Last verified: Not yet reviewed