At 42mm, this Patek 5905 grey dial replica houses the annual calendar chronograph layout in a white metal case with a two-tone silver-grey dial, a factory variant: Patek never made a grey 5905. The 5905 replaced the earlier 5960 as the primary annual calendar chronograph in the Complications range, carrying forward the same practical complication set in a revised case architecture. Day, date, and month appear through three apertures, while the subdial at six o’clock, which on the genuine is the 60-minute chronograph counter, is printed with a 24-hour scale on the piece in our photos.

That 24-hour ring is the main thing to check before buying, so ask us for a function video of the watch that ships. As on every 5905 clone, the day, date and month windows are reproduced but advanced with the correctors rather than by an annual calendar train; our guide covers the 24-hour scale and calendar functions of our clones.

Specifications

• Model: Annual Calendar Chronograph
• Reference: 5905 (factory variant, grey dial)
• Case size: 42 mm
• Case: steel in white gold look (genuine 5905: rose gold, platinum or steel)
• Dial: two-tone silver-grey, applied baton indices (factory variant)
• Functions: hours, minutes, chronograph seconds, day, date, month, 24-hour scale sub-dial (genuine: flyback chronograph, annual calendar)
• Calendar: day, date, month windows
• Sub-dial at 6: printed 24-hour scale on the photographed piece (genuine: 60-minute chronograph counter)
• Movement: clone Cal. CH 28-520 QA 24H, automatic chronograph
• Power reserve: 48 hours (genuine Cal. CH 28-520 QA 24H: 55 hours)
• Strap: black leather with alligator-pattern embossing
• Bezel: smooth polished
• Crystal: sapphire
• Water resistance: 30 m (not for swimming)

On the genuine 5905, the flyback function allows the chronograph to reset and restart with a single pusher press, eliminating the stop-reset-start sequence required on standard chronographs. This saves time during consecutive timing operations.

The Genuine 5905 Calibre and Our Grey Variant

The caliber driving the genuine 5905 integrates the annual calendar module with a column-wheel chronograph, a combination that requires precise engineering to avoid interference between the two complication trains. Patek Philippe designed the 5905 series with a single subdial layout rather than the more common two-register arrangement, resulting in a cleaner dial. Browse the green 5905P-014 version for a sportier colorway on the same platform. The wider Complications catalog spans annual calendars, travel time models and moon phases.

Monochrome Grey for a Quieter Chronograph

A white gold look with a grey dial creates a monochromatic palette that reads as refined without demanding attention. The 42mm case size accommodates the complications without feeling oversized on most wrists. Compared to rose gold variants, the white metal case offers a cooler tone that pairs more naturally with silver and charcoal clothing. This grey 5905 clone delivers the annual calendar chronograph look in a deliberately understated metal-and-dial configuration.

Other versions of this model in stock: Patek Philippe Annual Calendar 5905 black dial, Patek Philippe Annual Calendar 5905R-010 blue dial, Patek Philippe Annual Calendar 5905R-001 brown dial, Patek Philippe Annual Calendar 5905P-014 green dial.