Seiko Cal. 0790 - 264

The Seiko 0790-264 represents an important milestone in Seiko's 1976 lineup. Powered by the 0790 caliber with 28j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-8261162fca7e]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1976

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