Seiko Cal. 3879 - 975

Released in 1971, the Cal. 3879 with design code 975 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-595c1bc39aaa]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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