Seiko Cal. 6642 - 338

The Seiko 6642-338 represents an important milestone in Seiko's 1999 lineup. Powered by the 6642 caliber with 21j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-37a0e2d0cfee]

Also known as: Monster, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1999

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