Cartier Must De Cartier Tank Trinity Dial jewellery box Frederique Constant Slimline Perpetual Calendar

Frederique Constant Slimline Perpetual Calendar – FC-775V4S4

Dial: Silver dial

and collectible for its twin-crown design

Audemars Piguet Royal Oak Offshore – 26470OR

Cartier Must De Cartier Tank Trinity Dial jewellery box Frederique Constant Slimline Perpetual CalendarCase Material: Gold plated over sterling silver (vermeil) Size: ~23mm width 30mm height Thickness: ~6mm Lug width: ~17mm Crystal: Likely mineral or sapphire Crown: Blue cabochon Weight: Approx. 24g Dial Style: Trinity tri tone with yellow, white, and rose gold vertical stripes Markers: Roman numerals Hands: Blued steel sword hands Movement Type: Quartz (most common) Some rare versions are manual wind Strap Leather strap with Cartier buckle (usually