Seiko Cal. 5666 - 654

This Hand-Winding model from 1980 features a 36mm PVD Black case. With its 22mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-bcf6e81b1a2b]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1980

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