Seiko Cal. 6637 - 923

The Seiko 6637-923 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c5ba8b63b682]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1982

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