Seiko Cal. 5215 - 251

This Spring Drive model from 1981 features a 36mm Hardlex-Coated Steel case. With its 18mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-bfe58dc03b82]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1981

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