Seiko Cal. 3879 - 638

Released in 1989, the Cal. 3879 with design code 638 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-7b422d2fe7cd]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1989

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