Seiko Cal. 3888 - 491

This Hand-Winding model from 1977 features a 40mm Stainless Steel case. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-b6b9fdb09349]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1977

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