The Sonomaster turns a hi-fi VU meter into horology: twin retrograde hands mimic the needles of a vintage stereo amplifier, sweeping black-and-beige dials with red ‘danger-zone’ segments. The crown is an amp control knob; the pushers, bass and treble pots.
Powered by the Swiss-made Reservoir Calibre RSV-Bi120 — a column-wheel, bi-retrograde automatic chronograph on a La Joux-Perret L1C0 base, 28,800 vph with a 60 hours power reserve, worn on a leather strap.
- Case: 43mm 316L stainless steel, brushed finish
- Movement: the Swiss-made Reservoir Calibre RSV-Bi120 — a column-wheel, bi-retrograde automatic chronograph on a La Joux-Perret L1C0 base, 28,800 vph, 60 hours power reserve
- Functions: Bi-retrograde chronograph (central second, 30-min counter, hour counter), retrograde date and seconds, tachymeter bezel
- Water resistance: 50m (5 ATM)
- Crystal: Domed anti-reflective sapphire, open caseback
- Strap/Bracelet: Leather strap
- Reference: RSV04.SN/136.SI
Sold at Little Europe Jewellers in Sint Maarten completely duty-free and tax-free — among the most competitive prices anywhere, with free worldwide shipping and 100% authenticity guaranteed as an authorized Reservoir dealer.
The Reservoir Sonomaster Chronograph 43mm (RSV04.SN/136.SI) is supplied with the official Reservoir international warranty, activated online at point of sale by Little Europe Jewellers as an authorized dealer. As a standard automatic movement it carries a 2-year international warranty from purchase, covering manufacturing defects under normal use. Excluded: accident, misuse, water beyond the rated resistance, normal wear, and any unauthorized servicing (which voids coverage). Retain the dealer-activated card for any service.
