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Twenty~4

Introduced: 1999

Purpose / Inspiration:
The Twenty4 was created specifically for modern women—Patek’s answer to a world where a ladies’ watch didn’t need to be a miniature version of a man’s. It was dressy, but tough. Elegant, but daily-wearable. The name “Twenty4” means it was built to go from office to evening—24 hours a day. It launched with a cuff-style quartz watch and later expanded into mechanical round models. Refined, practical, and deliberately feminine.

Designer:
Designed in-house by Patek Philippe for the growing market of independent, professional women—first watch in their catalog made exclusively for women

Case size:

  • Original manchette (cuff): 25.1mm x 30mm (Ref. 4910)
  • Round mechanical versions: 36mm (automatic)
  • New rectangular models: 30mm x 25mm (Ref. 4910/1200A)
  • Slim, curved profile designed to hug the wrist—wears like a bracelet
  • Modern automatic versions more contemporary and substantial

Case options:

  • Stainless steel
  • Rose gold
  • White gold (on some limited editions)
  • Fully polished finish
  • Diamond-set bezel standard on most models (34–60 diamonds)
  • Sapphire crystal, solid caseback (quartz), display back (automatic)

Powered by:

  • Quartz (on rectangular models):
    • Caliber E15 — ultra-reliable Swiss quartz
  • Automatic (on round models introduced 2018+):
    • Caliber 324 S C — same high-end automatic used in other Patek pieces
    • Geneva Seal finishing, gold rotor, ~45-hr power reserve

Bezel:

  • Rectangular: vertical diamond-set bezel (two rows)
  • Round: polished smooth bezel or diamond bezel
  • Diamonds are flawless Top Wesselton quality—set by hand at Patek’s Geneva workshops

Dial options:

  • Rectangular: sunburst or matte (gray, blue, chocolate brown, black)
  • Round: embossed dials with Arabic numerals or baton markers
  • Luminous hands and markers on automatic versions
  • Date at 6 o’clock on automatics
  • No seconds hand on quartz models—pure simplicity

Water resistance:

  • 30m
  • Enough for splashes, but not swimming
  • Sealed case and crown—not designed for water sports

Bracelet:

  • Integrated bracelet—feels like jewelry
  • Links are mirror-polished and curved for comfort
  • Fold-over clasp with hidden mechanism
  • Designed to wear like a bangle, not like a typical watch band

Still in production, the Twenty~4 is one of Patek Philippe’s top offerings for women. It’s versatile, timeless, and built to Patek’s exacting standards—even in quartz. The newer round automatics give it mechanical credibility, but even the originals remain beloved for their style and everyday wearability.

Why it matters:
The Twenty~4 isn’t trying to be a unisex watch. It’s unapologetically made for women who want beauty and performance in the same package. It doesn’t shout wealth—but people who know, know. And for a lot of collectors, it’s the first watch they buy for someone they love.

Not Borrowed. Not Downsized. Designed From Scratch For Her.
The Watch That Proved Patek Takes Women’s Time Seriously

If You Want a Timepiece That Feels Like Jewelry—but Works Like a Patek, This Is It
Wear It All Day. Every Day. Twenty~4.