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You are here: Home / Movements / Seiko 9S25

Seiko 9S25

Last Update: February 18, 2020

Brand:Grand Seiko, Seiko, Shizukuishi Watch Studio
Family:
Unknown
Height:4.49 mm
Jewels:33
Reserve:50 hours
Frequency:28,800 A/h
Winding:Automatic, Bi-Directional Automatic Winding
Diameter:19.40 mm
© Seiko Grand Seiko Cal. 9S25A Complications:Date, Hand Winding, Quick Date Correction
Hands:Central Hour Hand, Central Minute Hand, Central Seconds Hand, Date Window at 3:00
Distinguishing Technical Characteristics
Balance Bridge
Screw Regulator
Balance
Balance at 4:30
Production: 2018 – Current
1910s 1920s 1930s 1940s 1950s 1960s 1970s 1980s 1990s 2000s 2010s 2020s

Cal. 9S25 is the first in a series of luxury automatic movements for women. Introduced by Seiko in 2018, Cal. 9S25 incorporates many of the advances found in the Cal. 9S6x family of movements, including MEMS engineering on the pallet fork and the new Spron 610 balance spring alloy.

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