Generic Richard Mille RM010 Winding Stem

Quantity	Discount (%)	Price
1 - 2	—	$35.00
3 - 4	5 %	$33.25
5 - 9	7 %	$32.55
10 - 14	10 %	$31.50
15+	15 %	$29.75

Quantity

Discount (%)

Price

1 - 2

—

$35.00

3 - 4

5 %

$33.25

5 - 9

7 %

$32.55

10 - 14

10 %

$31.50

15+

15 %

$29.75

Quantity	Discount (%)	Price
1 - 2	—	$35.00
3 - 4	5 %	$33.25
5 - 9	7 %	$32.55
10 - 14	10 %	$31.50
15+	15 %	$29.75

Product Description

The Generic Richard Mille Calibre RM010 Winding Stem is a high-quality aftermarket replacement component designed for the automatic movement family powering the iconic Richard Mille RM010 tonneau-shaped wristwatch. Precision-machined to meet mechanical specifications of the original calibres, this three-position winding stem interfaces directly with the keyless works to enable manual winding, date adjustment, and time setting functions via the crown.

As a cost-effective and readily available alternative to scarce and expensive genuine OEM parts (original ref. RMAS7), this generic replacement stem offers watchmakers, service centres and restoration enthusiasts a reliable solution for repairing worn, broken or damaged original stems without lengthy lead times or prohibitive costs.

Features & Function

Wide Calibre RM010 family compatibility – Precision-engineered to fit the automatic calibres powering the Richard Mille RM010, including the RMAS7, RM005-S and RM010 automatic movements, which share an identical keyless works architecture

Three-position precision operation – Designed for a three-position crown stem system offering distinct mechanical detents for manual winding (position 1), date adjustment (position 2), and precision time setting (position 3), matching the original functional layout

Durable stainless steel construction – Manufactured from high-grade stainless steel with precision-ground threads and carefully toleranced engagement surfaces, delivering consistent mechanical performance

Variable-geometry rotor compatibility – Fully compatible with the patented variable-geometry rotor system that allows the wearer to adjust winding efficiency based on activity level, without compromising the stem‘s transmission function

Drop-in replacement fit – Manufactured as a direct-fit substitution for worn or damaged original stems, requiring no modification to the keyless works or additional calibration

Specifications

Parameter	Value
Caliber Family	Richard Mille RM010 / RMAS7 / RM005-S / RM010
Compatible Movements	RMAS7 (in-house), RM005-S (Vaucher Manufacture base, first variable-geometry rotor caliber, 2004–2005), RM010 (AP Renaud & Papi-finished variant)
Crown Positions	3 (winding / date / time-setting)
Material	High-grade stainless steel
Finishing	Precision-ground threads, polished engagement surfaces
Power Reserve (movement)	55 hours (RMAS7 / RM005-S)
Movement Jewels	32 jewels
Movement Frequency	28,800 vph (4 Hz)
Keyless Works Architecture	Common across RMAS7 / RM005-S / RM010 family
Product Type	Aftermarket replacement part / Generic part
Unit Quantity	1 piece per order

Applications

Replacement of worn, broken or detached winding stems in Richard Mille RM010 watches where the original stem has failed due to wear, impact, or manufacturing variance—a known issue with some early RM010 examples where the crown stem completely detaches from the movement
Servicing of Richard Mille RMAS7 and RM005-S automatic movements during routine maintenance where the original stem shows signs of thread wear, bending, or corrosion
Independent watch repair centres and specialised service workshops performing movement overhauls on Richard Mille RM010 timepieces, offering an alternative when genuine OEM parts are restricted or on backorder
Restoration of pre-owned or vintage Richard Mille RM010 examples requiring part replacement to restore full crown functionality, particularly models produced between 2005 and 2010

Frequently Asked Questions

Q1: Is this winding stem an authentic Richard Mille original part?
No, it is a generic aftermarket replacement, not manufactured by Richard Mille, but engineered to fit RM010‑family calibres.

Q2: Which calibres does this generic stem fit?
It fits the automatic calibres powering the RM010 watch, including RMAS7, RM005‑S and RM010, which share the same keyless works architecture.

Q3: Is the quality reliable for daily‑wear repairs?
Yes, it is made of stainless steel with precision‑ground threads; quality versions from reputable suppliers perform well for routine service and restoration.