Seiko Cal. 3877 - 487

This Hand-Winding model from 1971 features a 43mm Stainless Steel case. With its 22mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-647c15cf5873]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1971

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