Seiko Cal. 5617 - 178

This Solar model from 1986 features a 43mm Stainless Steel case. Powered by the 5617 caliber with 25j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-8089f7da7246]

Also known as: Tuna, Navigator

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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