Seiko Cal. 7189 - 642

The Seiko 7189-642 represents an important milestone in Seiko's 1981 lineup. Powered by the 7189 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-52612538434b]

Also known as: Monster, Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1981

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