Seiko Cal. 3886 - 643

This Automatic model from 1969 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-8f417adf906f]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

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