- Movement
- Manual winding
- Size
- 44.1 mm
Overview
The Lépine construction, kept thin
The Patek Philippe Lépine-style pocket watch, reference 973J-001, in yellow gold with a silvery vertically satin-finished dial, applied Breguet numerals and Breguet-style hands in yellow gold, and the winding crown at 12 o'clock. Manual-winding calibre 17''' LEP PS with small seconds; 44.1 mm, 7.77 mm high.
The reference 973J-001 is the Lépine-style pocket watch of Patek Philippe's Pocket Watches collection, in yellow gold. Patek Philippe describes it as produced in small quantities and defines the construction by two things: the winding crown at 12 o'clock, in line with the small seconds, and a profile it calls extremely slender. The case is 44.1 mm across and 7.77 mm high, humidity- and dust-protected only, not water-resistant. The dial is silvery with a vertical satin finish, with applied Breguet numerals and Breguet-style hands in yellow gold.
The movement is the manual-winding calibre 17''' LEP PS with small seconds: 38.65 mm across, 3.8 mm high, 157 parts and 18 jewels, running at 18,000 semi-oscillations an hour on a Breguet balance spring, with a power reserve of at least 50 hours. It carries the Patek Philippe Seal. In a Lépine movement the crown, the winding stem and the small seconds sit on one axis, which is why the crown reads at 12 o'clock and the seconds opposite it; Patek Philippe presents that layout, rather than any added complication, as what distinguishes the reference from the hunter-style pieces in the same collection.
For collectors
The reference is 7.77 mm high, with no hinged covers to add height. Patek Philippe's statement that it is produced in small quantities is its own; no figure is given.
Key details
Design and engineering
- Lépine-style caseYellow gold, 44.1 mm across and 7.77 mm high, with the winding crown at 12 o'clock and no covers over dial or back. Humidity- and dust-protected only; Patek Philippe states plainly that it is not water-resistant.
- DialSilvery with a vertical satin finish; applied Breguet numerals and Breguet-style hands, both in yellow gold, with the small seconds opposite the crown.
- Small secondsThe seconds are read in their own sub-dial rather than from the centre, the layout the calibre's PS designation names.
Calibre 17''' LEP PS
- Manual winding
- Small seconds
- 38.65 mm across, 3.8 mm high; 157 parts, 18 jewels
- 18,000 semi-oscillations per hour (2.5 Hz), Breguet balance spring
- Power reserve min. 50 hours
- Patek Philippe Seal
The reference
Technical specifications
| Reference | 973J-001 |
|---|---|
| Collection | Pocket Watches |
| Calibre | Caliber 17''' LEP PS |
| Movement | Manual winding |
| Functions | Small seconds |
| Case dimensions | 44.1 mm |
| Case thickness | 7.77 mm |
| Case material | Yellow gold |
| Water resistance | Not water-resistant |
| Dial | Silvery with vertical satin-finish, yellow gold applied Breguet numerals |
| Jewels | 18 |
| Power reserve | min. 50 hours |
| Frequency | 18,000 semi-oscillations/hour (2.5 Hz) |
| Type | Pocket watch |
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