Seiko Cal. 3872 - 664

The Seiko 3872-664 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-2941c09578a9]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1970

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