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Christophe Claret Soprano Tourbillon Minute Repeater Watch

2,628 views · Published 5 October 2012 · 4:08 · Indexed 2 October 2026

Channel: aBlogtoWatch · 2012 · Science & Technology

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This amazing mechanical minute repeater style watch by Christophe Claret features four cathedral gongs for an unparalleled sound. The Soprano has a modern style and is incredibly interesting to see and hear in action. 

Tech specs from Chistophe Claret: 

THE SOPRANO: TWO LIMITED EDITIONS OF EIGHT PIECES EACH
CALIBRE TRD98:
Dimensions: 27.6 x 46.4 x 8.45 mm
Number of parts: 450
Number of jewels: 39
Power reserve: 72 hours (approx.)
Barrel: Single mainspring barrel in transparent sapphire crystal
Tourbillon:
- Escapement: Swiss lever type
- Oscillation frequency of the balance: 3 Hz (21,600 vph)
- Tourbillon rotation 60 seconds
- Flying tourbillon
- Charles X style stepped bridge
- Parachute shock protection
Functions:
- Hours and minutes
- 4-note minute repeater playing Westminster Quarters
- Mechanical, hand-wound movement
- Transparent mainspring barrel acts as movement state-of-wind
indicator: when the movement is fully wound the spring is
centered in the barrel
Distinctive features:
- Four visible hammers, four patented cathedral gongs
- Repeater mechanism features silent inertia governor
- Tourbillon regulator with parachute shock absorber
- Charles X style stepped bridges
Technical data continued
Exterior:
Case:
- Round
- Dimensions: 45mm x 56.80mm x 15.32mm
- Water resistance: 3 ATM / 30 m / 100 ft
Material:
- 5N red gold and anthracite PVD titanium / Anthracite PVD and
black spinal hands. Limited edition of 8 pieces
- White gold and anthracite PVD titanium / Black PVD and ruby or
blue spinal hands. Limited edition of 8 pieces
Slide: Repeater mechanism is activated by a slide on the left side of the
caseband
Crown: Red gold and titanium (red gold case) or white gold and titanium
(white gold case)
Strap: Black hand-sewn alligator leather with black stitching (red gold case),
red or blue stitching (white gold case)
Buckle: Red gold and titanium (red gold case) or white gold and titanium
(white gold case)
Limited edition: Each of the two versions is issued in a limited edition of eight pieces
Suggested retail price: From 468'000 Swiss francs exclusive of VAT

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