Halter Barnes, The earliest example known, an unprecedented, groundbreaking, and intricate yellow gold perpetual calendar wristwatch with leap year indicator, guarantee, and presentation box

1999
40mm Diameter
Case, dial, movement, and buckle signed Halter Barnes.

Manufacturer: Halter Barnes
Year: 1999
Movement No: No. 4Y
Case No: 98.4Y.102
Model Name: Perpetual Antiqua
Material: 18K yellow gold
Calibre: Automatic, cal. VH198, 43 jewels
Bracelet/Strap: Leather
Clasp/Buckle: 18K yellow gold Halter Barnes pin buckle
Dimensions: 40mm Diameter
Signed: Case, dial, movement, and buckle signed Halter Barnes.
Accessories: Accompanied by Vianney Halter instruction manual and international guarantee dated July 1999, setting pin with case, and VH winding box with porthole display.