Seiko Cal. 5664 - 356

The Seiko 5664-356 represents an important milestone in Seiko's 1982 lineup. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-90f50bb1ee9c]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1982

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