Reservoir darkens its Sonomaster to create the Sonomaster Chronograph Black Thunder, a rock-n-roll-inspired black PVD edition of the Paris-based watchmaker’s unusual bi-retrograde design.
Like the existing Sonomaster models, the new Chronograph Black Thunder takes its dial design cues from the retro look of VU meters on analog stereo amplifiers. Rather than showing volume levels, Reservoir displays seconds (left side) and the date (right side) on the dial.
With its all-black dress, the new watch is meant to echo the prevailing color of rock concerts, where the needle on a VU meter might just reach 11. Reservoir extends the high-volume inspiration with the design of the watch’s pushers and crown, which are made to look like the treble and bass buttons on rock amplifiers.
The bi-retrograde dial retains the Sonomaster’s existing 120° date and seconds displays, which also shows chronograph timing via central second, the 30-minute counter at 12 o’clock position and the hour counter at 6 o’clock.
Reservoir teams with Swiss custom movement maker La Joux-Perret to create the 43mm steel watch’s movement, automatic caliber RSV-Bi120, a manufacture bi-retrograde chronograph with column wheel.
Well-known for its dashboard-inspired jump-hour watches, Reservoir earlier this year introduced the Sonomaster Chronograph. In addition to the debuting the unusual bi-retrograde display, the watch was the brand’s first with a traditional two-hand hour and minutes display.
Specifications: Reservoir Sonomaster Chronograph Black Thunder
Case: 43mm PVD black stainless steel with brushed finish, tachymeter bezel. Water-resistant to 50-meters, open back with domed sapphire crystal.
Dial: Hands with Superluminova, chronograph (central second, 30-minute counter at 12, hour counter at 6), bi-retrograde date and seconds, at 120°, hour, minute.
Movement: Caliber RSV-Bi120, a manufacture bi-retrograde chronograph movement, automatic mechanical winding and column wheel (LJP-LC01 base), 60-hour power reserve, 28,800 alt./h.
Strap: Black leather with black stitching, steel butterfly folding clasp.
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