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You are here: Home / Movements / Miyota 8N40

Miyota 8N40

Last Update: June 13, 2019

Brand:Miyota
Family:
Miyota 82/8N Series
Height:5.55 mm
Jewels:21
Reserve:42 hours
Frequency:21,600 A/h
Winding:Automatic, Central Rotor Automatic Winding, Counter-Clockwise Automatic Winding, Uni-Directional Automatic Winding
Diameter:25.60 mm (11.5 ligne)
  Complications:Hand Winding
Hands:Central Hour Hand, Central Minute Hand, Small Seconds Hand at 4:30
Distinguishing Technical Characteristics
Central-Rotor Automatic
Clockwise Balance Cock
Balance
Balance at 4:30
Central Rotor
Production:  – 
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Calibre 8N40 is a skeletonized version of the Miyota 8218 small seconds movement in the Miyota 8200 family. It lacks the date wheel of the 8218 due to skeletonization but is otherwise similar.

Images are taken from official publications and are used here for commentary and educational purposes. Copyright is held by the original owner as noted.
Manufacturer Link

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