Jaeger‑LeCoultre Master Series 1558420

Case Size: 39mm×12mm
Movement: 5C modified Cal.8661 automatic mechanical movement
Crystal: Domed curved crystal
Functions: Week & month windows at 12‑o’clock, small‑seconds moon‑phase sub‑dial at 6‑o’clock, peripheral date indication
Clasp: Zero‑gap clasp
Case: White case / Rose‑gold case