Seiko Cal. 6631 - 167

The Seiko 6631-167 represents an important milestone in Seiko's 1988 lineup. Powered by the 6631 caliber with 35j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-75ae3271be43]

Also known as: Shogun, Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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