Seiko Cal. 6251 - 543

This Spring Drive model from 1977 features a 38mm Hardlex-Coated Steel case. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-93acbe656933]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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