Frederique Constant SA is a luxury wristwatch manufacturer based in Plan-les-Ouates, Geneva. The company was established in its current form in 1988 by Aletta Bax and Peter Stas and is involved in all the stages of watch production, from initial design to final assembly. The company produces over 120,000 watches annually. Fine, self-winding, water-resistant, center seconds, stainless steel wristwatch with open heart window. Dial, case and movement signed. Dial: guilloche with open aperture at 12:00 o'clock displaying balance Engine: FC-310 Swiss automatic, ETA based Frequency: 28800 A/h Number of jewels: 25 Power reserve: 42 hours Functions: Hours, Minutes, Seconds Crystal: scratch resistant sapphire, anti-reflective Case: - stainless steel - diameter: 40 mm excl. crown, 42 mm incl. crown - thickness: ca 10 mm Caseback: sapphire crystal Bracelet: brand new black genuine leather, length 21 cm, width 22 mm Clasp: tang buckle Water Resistance: 60 meters/200 feet/6 ATM Frederique Constant is known for delicate rounded cases that require many hours of hand polishing. General Overhaul. Worldwide warranty 1 year. Excellent Condition. Authentic Swiss Frederique Constant: BEST CHRISTMAS GIFT for the BELOVED, don't miss your chance! Insured, registered shipping.