Patek Philippe 215 Ratchet Wheel

Quantity	Discount (%)	Price
1 - 2	—	$220.00
3 - 4	5 %	$209.00
5 - 9	7 %	$204.60
10 - 14	10 %	$198.00
15+	15 %	$187.00

Quantity

Discount (%)

Price

1 - 2

—

$220.00

3 - 4

5 %

$209.00

5 - 9

7 %

$204.60

10 - 14

10 %

$198.00

15+

15 %

$187.00

Product Description

This is a 100% authentic Patek Philippe spare part—the ratchet wheel (official part number 415) specifically designed for the brand’s legendary in‑house Calibre 215 manual‑winding movement. As the final wheel in the manual‑winding train, it directly drives the barrel arbor to store energy in the mainspring, ensuring smooth and efficient winding. When an original wheel becomes worn or damaged, this genuine OEM component is the definitive replacement to restore factory‑specified performance.

Features & Function

Original Patek Philippe quality – 100% authentic OEM component, manufactured to the brand’s stringent tolerance standards.

Core winding‑train function – The final wheel in the manual‑winding train, it directly turns the barrel arbor to wind the mainspring.

Proven long‑term reliability – Calibre 215 has been in continuous production since the 1970s and is widely praised as a robust, dependable workhorse.

Precision fit – Designed exclusively for the 21.90 mm diameter Calibre 215 family, ensuring exact compatibility and seamless drop‑in replacement.

Specifications

Parameter	Value
OEM Part Number	415 / 415 Cal. 215
Compatible Calibers	Patek Philippe Calibre 215, 215 PS (small seconds), 215 PS LU (moon phase), 215 PS FUS 24H (dual time), 215 SQU (skeleton)
Movement Diameter	21.90 mm
Component Function	Mainspring barrel ratchet wheel (final drive in the manual winding train)
Movement Jewels	18
Movement Frequency	28,800 semi‑oscillations/hour (4 Hz)
Power Reserve	min. 44 hours
Material	High‑grade steel
Condition	Brand new, genuine OEM
Origin	Swiss made

Applications

Direct replacement for a worn, stripped, or damaged original ratchet wheel during a full service or restoration of any watch powered by the Patek Philippe Calibre 215 family.
Suitable for iconic references including Calatrava 3919, 5115, 5116, 5196, 5119; Gondolo; and other classic manual‑wind Patek Philippe models.
Essential for professional watchmakers and authorized service centres to restore correct winding feel and maintain the movement’s 44‑hour power reserve.

Frequently Asked Questions

Q1: Is this a genuine Patek Philippe part?
Yes, it is a 100% authentic, brand‑new Patek Philippe OEM component, not a generic or aftermarket replica.

Q2: Which calibers is this ratchet wheel compatible with?
It is designed for the entire Calibre 215 family, including the base 215, 215 PS (small seconds), 215 PS LU (moon phase), and 215 PS FUS 24H (dual time). All share the same winding train architecture.

Q3: What are the signs that the ratchet wheel needs replacement?
Common symptoms include a grinding or uneven feel when manually winding, slipping of the crown during winding, or the mainspring failing to fully charge, leading to reduced power reserve. Wear on the teeth or the square drive hole can also cause these issues.