Seiko Cal. 5635 - 825

The 5635-825 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5635 caliber with 36j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-4deeabcc60b7]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1996

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