Seiko Cal. 3889 - 436

The Seiko 3889-436 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-375f7d92051d]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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