FRANCK MULLER MASTER SQUARE 18K WHITE GOLD AND DIAMONDS.A RARE MEN'S 18K WHITE GOLD AND DIAMONDS AUTOMATIC WRISTWATCH No.428. Model: Master Square Master of Complications Case reference: 6000K SC DTMovement: Signed, automatic, 25-Jewels, rotor segment Platinum 950Dial: Signed, pave diamonds, silvered Roman embossed Roman numerals, black spade hands, black centre seconds handCase: Signed, 18K white gold, bezel and lugs diamond setting, signed crown, signed 18K white gold back secured by 4 screws, No.428Strap: Signed blue leather, signed 18k white gold and diamonds buckleSize: 42.3mm by 43.3mmAccompaniments: Franck Muller box and papers Dimensions 42.3mm by 43.3mm.