Seiko Cal. 5644 - 914

This Hand-Winding model from 1981 features a 45mm Titanium case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-da8c4821c241]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1981

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