DIAL
Textured blue with black-gradient rim, white gold applied numerals with white luminescent coating.
MOVEMENT
Manually wound mechanical movement.
CALIBER
Caliber 31‑505 8J PS IRM CI J
FUNCTIONS
Instantaneous date by hand. Instantaneous day in an aperture. Power reserve indication. Small seconds.
CASE MATERIAL
White gold. Caseband guilloched with hobnail pattern.
CASE DIMENSIONS
Diameter: 41 mm. Thickness: 10.52 mm.
CASE BACK
Sapphire crystal case back
WATER RESISTANCE
30 Metres
STRAP
Calfskin, fabric pattern, navy blue (originally fitted). Calfskin, grained, taupe (additional strap). White gold patented triple-blade fold-over clasp.