217QRS
WATCH DESCRIPTION
The 217QRS features a retrograde date mechanism of a unique construction where it is fully integrated in main plate. Setting the date can not be easier. One press makes the date hand one day. A special mechanism has been created for the return of the date of 31 st to 1 st, allowing the date to return slowly back to 1st. By doing this, the mechanism avoids bouncing or arriving at the first day.
The movement has a very large balance wheel manufactured in-house, permitting perfect regulation of the watch to within strict tolerances. To equip such a rare timepiece, a very rare and unique balance-spring system has been used. The exterior of the spring uses a typical Phillips overcoil, while the internal curve uses the Grossmann curve.
The escapement makes this movement special; This is the first watch to have two wheels in such a configuration. The escape wheels give a direct impulse to the balance through the impulse roller / jewel. This retreat is extremely efficient and requires much less energy than traditional leisurely retreats, providing benefits in terms of longevity and stability in day-to-day use.
The balance-wheel bridge is sublimely elegant, offering an unimpeded view of the escapement and balance. It also allows the enthusiast to admire the synchronized movements of the escapement wheels.
The in-house movement inspired from Vingt-8 is designed, built, fabricated, finished and assembled in its entirety in Voutilainen workshops. The design and philosophy of the movement combines respect for longevity and precision with classical watchmaking tradition.
WATCH DETAILS
Categories
Timepieces
Movement
In-house designed movement, main plate and bridges manufactured from German silver. 65-hour power reserve. New direct impulse escapement with two escapement wheels.
Balance
Free sprung balance (with Breguet/Grossmann balance spiral and rose gold timing weights, beating at 18,000 vph). Diameter of balance wheel is 13.60 mm. Wheels in rose gold.
Jewels
39
Hands
Gold
Dial
Silver, engine turned by hand with applied gold numerals
Movement size
ø 30.00 mm x 5.60mm
Case size
ø 39.00 mm x 11.50mm
Additionals
Unique case design. Total series of 30 watches : 10 platinum, 10 white gold, 10 rose gold. Sapphire glass front and back, with anti-reflection treatment on front. Matching tang buckle in 18-carat gold and hand sewn crocodile strap. All design, manufacturing, construction, fabrication, hand finishing and assembly in the Voutilainen workshop.