Seiko Cal. 5255 - 540

This Automatic model from 1970 features a 36mm Stainless Steel case. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-666937efb786]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1970

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