Seiko Cal. 6621 - 521

This Spring Drive model from 1970 features a 36mm Two-Tone case. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-71acfab81b35]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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