Seiko Cal. 5255 - 276

This Spring Drive model from 1969 features a 35mm Stainless Steel case. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-a2ce6914734a]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1969

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