Seiko Cal. 3878 - 774

Released in 1970, the Cal. 3878 with design code 774 was part of Seiko's domestic market collection. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-116a4dd83ce2]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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