Seiko Cal. 3864 - 478

The Seiko 3864-478 represents an important milestone in Seiko's 1989 lineup. Powered by the 3864 caliber with 22j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-206865e53f54]

Also known as: Monster, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1989

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