Seiko Cal. 5659 - 817

The Seiko 5659-817 represents an important milestone in Seiko's 1975 lineup. Powered by the 5659 caliber with 32j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-749182f7c771]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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