Seiko Cal. 3878 - 100

Released in 1983, the Cal. 3878 with design code 100 was part of Seiko's domestic market collection. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-de62dfa129f6]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1983

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