Seiko Cal. 6642 - 553

The Seiko 6642-553 represents an important milestone in Seiko's 1985 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-065c79d7ca9f]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1985

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