Seiko Cal. 3879 - 525

Released in 1976, the Cal. 3879 with design code 525 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-ccd01ef376c6]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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