Seiko Cal. 3878 - 443

Released in 1977, the Cal. 3878 with design code 443 was part of Seiko's domestic market collection. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-e00bea861bea]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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