Keywound Movement | Hermle 351 Bottom Mount | 55 cm | 354456

This Hermle 351-series keywound movement is a precision German-made 8-day triple-chime unit featuring an 8-hammer bottom-mount configuration, 55cm pendulum length, and 33.2mm hand shaft, ideal for wall clocks requiring Westminster, Whittington, and St. Michael melodies without automatic night shut-off.

• Movement Type: 8-day mechanical, spring-driven (3-train), keywound balance wheel movement (351-series triple-chime configuration)
• Power Reserve: 7–8 days
• Pendulum Length: 55 cm
• Chime: 4/4 triple chime — Westminster, Whittington & St. Michael (Ave Maria) — with hour strike on 8-rod gong
• Hammer Configuration: 8 bottom-mounted hammers
• Escapement: Balance wheel escapement, two jewels (unadjusted)
• Center Shaft Length: 33.2 mm (measured from front plate to end of hand shaft threads)
• Plate Size: Approx. 100 × 104 mm
• Plate Thickness: Approx. 1.5–1.7 mm brass plates
• Features: Front winding; manual chime shut-off lever; no automatic night shut-off; precision German manufacturing
• Pair with: Howard Miller chime block part # 357004

 

*IMPORTANT NOTE: The functionally is equivalent to a 1051 triple chime, but it is built on the 351 platform with a bottom mount hammer orientation (bottom mount).