Type: Automatic Mechanical (Self-winding + Hand-winding)

Accuracy: -20 ~ +40 seconds per day (average)

Power Reserve: ~41 Hours

Jewels: 24 Jewels

Functions:

• Central hours, minutes, and sweeping seconds.

• True No-Date: No "phantom" crown position (only 2 positions: wind and set time).

• Open balance wheel at 9:00 (visible on open-heart dials).

Description: A solid, no-frills workhorse movement widely respected by enthusiasts for its durability.