Seiko Cal. 5258 - 114

This Spring Drive model from 1978 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-d183c107b40c]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1978

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