Seiko Cal. 3878 - 564

The Seiko 3878-564 represents an important milestone in Seiko's 1985 lineup. Powered by the 3878 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-f1b8ffb12643]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1985

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