White gold, caseband guilloched with hobnail pattern
Bezel
White gold
Case Back
Sapphire crystal case back
Water Resistance
30 m
Dial
Textured blue with black-gradient rim, white gold applied numerals with white luminescent coating
Movement
Movement
Manually wound mechanical movement. Caliber 31‑505 8J PS IRM CI J. Instantaneous date by hand. Instantaneous day in an aperture. Power reserve indication. Small seconds.
Power Reserve
192 hours
Strap
Calfskin, fabric pattern, navy blue (originally fitted). Calfskin, grained, taupe (additional strap). White gold patented triple-blade fold-over clasp.