Seiko Cal. 6631 - 520

The Seiko 6631-520 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-60ec7c106501]

Also known as: Shogun, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1989

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