1977 Patek Philippe Calatrava 3520 Sealed from Patek Service Center with Box and Papers 23 Excellent and thick 18K/SS two

Excellent and thick 18K/SS two tone case that has the original bevel still visible and has light wear from use

The faded blue bezel insert is also in excellent condition and shows light wear from use

The bezel insert is fading to a navy hue

The fuchsia bezel insert has some scratches from wear

503B end links and a T9 (c

1977 Patek Philippe Calatrava 3520 Sealed from Patek Service Center with Box and Papers 23 Excellent and thick 18K/SS twoCase & Bracelet Excellent case that has not been handled since it's last polishing New Black Alligator Strap Dial Excellent white dial Accessories Box, Papers, and Service Papers. The watch is running at COSC spec.