Seiko Cal. 3879 - 956

The 3879-956 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-60b6da5af957]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1977

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