Seiko Cal. 3878 - 420

Released in 1983, the Cal. 3878 with design code 420 was part of Seiko's domestic market collection. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-a2d228bb0bdb]

Also known as: Pogue, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1983

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