Seiko Cal. 5621 - 827

This Spring Drive model from 1971 features a 36mm Hardlex-Coated Steel case. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-0e2e34e1f080]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

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