RONDA 3H AIG1 BIG D3 | MV-509D3

Reliable Ronda 509 quartz movement designed for three-hand watch applications with big date at 3.

The Ronda 509 is a Swiss quartz movement engineered for standard three-hand configurations, displaying hours, minutes, and central seconds with a big date function positioned at 3 o’clock. With a classic 10 1/2''' round format and listed diameter of approximately 23.9 mm, it is suitable for a wide range of watch case designs.

Powered by a standard SR920SW battery, also commonly listed as 371, the Ronda 509 delivers dependable quartz timekeeping with a typical battery life of approximately 45 months. Its repairable metal movement construction, 1-jewel design, and big-date layout make it a practical choice for replacement, production use, and workshop servicing.

KEY BENEFITS
• Reliable Ronda quartz movement • 3-hand configuration with big date at 3 • Standard 10 1/2''' movement size • Repairable metal movement construction • Powered by SR920SW (371) battery

DETAILS

• Model: 509
• Brand: Ronda
• Ligne size: 10 1/2'''
• Size: approx. 23.9 mm
• Hands: 3 (hour, minute, seconds)
• Hand height: Standard / AIG1
• Date: Big date at 3
• Battery: SR920SW (371)
• Jewels: 1
• Type: Quartz
• Compatibility: Ronda 509 / 519 / similar big-date layouts

PRODUCT REF: MV-509D3