Patek Philippe. An 18K yellow gold self-winding water-resistant wristwatch with sweep center seconds, date and bracelet

Patek Philippe. An 18K yellow gold self-winding water-resistant wristwatch with sweep center seconds, date and bracelet
Signed Patek Philippe, Geneve, No. 1931843, Ref. 3800/1, Nautilus model, circa 1994
With nickel-finished lever movement, 36 jewels, Gyromax balance, free sprung regulator, 18K gold rotor, the silvered dial with applied baton numerals, date aperture, sweep center seconds, the tonneau-shaped water-resistant-type case with enlarged bezel, the back secured by four screws in the band (Ref. 3800/1), together with an 18K gold Patek Philippe link bracelet and hidden clasp, case, dial and movement signed
37 mm. wide