Seiko Cal. 5667 - 721

The 5667-721 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-bbf164ad62c7]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1972

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