Seiko Cal. 5617 - 623

This Quartz model from 1975 features a 37mm Hardlex-Coated Steel case. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-c5ab1553af1e]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

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