Seiko Cal. 3891 - 288

This Quartz model from 1967 features a 43mm Stainless Steel case. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-69085f46d31c]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

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