Seiko Cal. 6642 - 618

The Seiko 6642-618 represents an important milestone in Seiko's 1996 lineup. Powered by the 6642 caliber with 31j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-42cedcc6d5b6]

Also known as: Monster, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1996

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