Seiko Cal. 5247 - 258

This Spring Drive model from 1984 features a 35mm Stainless Steel case. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-343e6ef7e7cf]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1984

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