Seiko Cal. 5659 - 842

The Seiko 5659-842 represents an important milestone in Seiko's 1981 lineup. Powered by the 5659 caliber with 20j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-bf8da7484ed3]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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