Seiko Cal. 5659 - 736

The Seiko 5659-736 represents an important milestone in Seiko's 1983 lineup. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-5a7bfb1d8b09]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1983

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