Seiko Cal. 3878 - 962

This Hand-Winding model from 1975 features a 45mm PVD Black case. With its 18mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-234639e4a128]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1975

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