Seiko Cal. 5610 - 788

This Hand-Winding model from 1969 features a 39mm Hardlex-Coated Steel case. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-a466eb4024d8]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1969

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