1. Cartier

The Cartier Privé Tank à Guichet replaces a traditional dial with apertures highlighting a jump hour and minutes disc in a rose gold case; price upon request, at Cartier, Beverly Hills

2. Vacheron Constantin

Limited to 127 pieces, the self-winding Traditionnelle Tourbillon Perpetual Calendar spotlights both functions in a 42mm platinum case; price upon request, at Vacheron Constantin, Beverly Hills

3. Parmigiani Fleurier

The dial on the Toric Quantième Perpétuel is crafted in 18-karat rose gold, while twin counters on the dial display the day/date and month/leap year; $91,900, at Feldmar Watch Co., Los Angeles

4. Audemars Piguet

As part of the brand’s 150th anniversary, the latest Royal Oak Perpetual Calendar features a tone-on-tone navy “Grand Tapisserie” dial that balances perpetual calendar subdials above a moon-phase function in a 41mm steel case; $114,800, at AP House, Los Angeles

5. Richard Mille

Limited to 10 pieces, the new RM 75-01 Flying Tourbillon Sapphire showcases a movement designed to be framed by its case, crafted of a lilac-hued sapphire; $2,258,000, at Richard Mille, Beverly Hills

6. Rolex

Both in 18-karat yellow gold, the 42mm case and Jubilee bracelet pair beautifully with the Rolex green dial in the new Sky-Dweller with GMT function and date window; $56,200, at the Rolex Boutique at Gearys

7. Bulgari

At just 1.70mm thick, the Octo Finissimo Ultra COSC sets a record as the world’s thinnest mechanical watch and presents an openwork dial set in sandblasted titanium; price upon request, at Bulgari, Beverly Hills

8. Patek Philippe

In a 42mm white-gold case, a minute repeater, split-seconds chronograph and perpetual calendar take center stage on an ice-blue dial in the self-winding 5308G-001; $1,320,441, at Patek Philippe, Beverly Hills

This story appeared in the Aug. 20 issue of The Hollywood Reporter magazine. Click here to subscribe.