The “Grand Régulateur”
Reference: CH 6720 Platinum, limited to 99 pieces
CH 6721 W Whitegold
CH 6721 R Rosegold 5N
CH 6721 Gold 2N
CH 6723 Steel
Display: hour, minute, second
Case: massive 20-part case, 44 mm, height: 13.45 mm, massive turnip-crown part of the case, brushed and polished, screw-on bezel with one-sided non-reflective sapphire crystal, screw-on case back with full-thread and one-sided non-reflective sapphire-crystal, screw-on lugs with patented system Autobloc, water-resistant up to 3 atm (30 m)
Movement: Chronoswiss Caliber C.673 (based on an ETA 6498-1), hand-wound,
Ø 36.6 mm, height 4.7 mm, (16½’’’), 17 jewels, Incabloc shock absorber, ca. 40-hour power reserve, swan’s neck precision regulator, 3 Hz., 21,600 A/h (semi-oscillations), three-spoke Glycydur screw balance with stop-seconds function, Nivarox-1 flat balance-spring; high-gloss polished lever, escape-wheel and screws; circular graining on the gears, base plate with cloud-pattern engraving, with Geneva waves on the gear-train’s bridges and the balance-cock; handcrafted barrel-bridge and cock for the fourth-wheel, third-wheel and escape-wheel; gold-plated rims around the jewels, high-gloss-polished steel screws and click, sun-pattern engraving on the transmission-wheel and ratchet-wheel, individually numbered, CASP seal
Dial: massive 925-Sterling Silver dial, guilloché-finish, “clou de paris“ and „damier“, blue-varnished steel hands, shape “Poire Losange”
Strap: Louisiana-crocodile strap, also available with folding clasp or metal bracelet. Strap width at the case: 22 mm/ at the buckle: 18 mm
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