Seiko Cal. 5617 - 781

The Seiko 5617-781 represents an important milestone in Seiko's 1971 lineup. Powered by the 5617 caliber with 33j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-e2a256fd973c]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

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