Seiko Cal. 5618 - 617

The 5618-617 is a sought-after Solar piece from Seiko's golden era. Powered by the 5618 caliber with 28j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-ff840ac055a6]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1978

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