Top‑tier custom 4131 non‑indexed movement. Features original‑spec engraved bridges, a CNC‑engraved rotor, and a non‑indexed weighted‑screw balance. This is the most accurate custom Daytona movement available – stable timekeeping, correct construction. Compatible with new model rubber strap, steel bracelet, and full‑gold Daytona cases. Ideal for those who seek the highest level of authenticity and performance in a 4131 movement build.
