Seiko Cal. 3873 - 509

This Quartz model from 1979 features a 36mm Two-Tone case. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-813f29838f8b]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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