Seiko Cal. 4525 - 790

This Spring Drive model from 1976 features a 42mm Two-Tone case. Powered by the 4525 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-616770e893fe]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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