Seiko Cal. 5255 - 309

This Spring Drive model from 1976 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-596b67c832f5]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1976

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