Seiko Cal. 3828 - 555

This Automatic model from 1970 features a 35mm Hardlex-Coated Steel case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-bee655ff2838]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1970

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