Seiko Cal. 6631 - 298

The Seiko 6631-298 represents an important milestone in Seiko's 1989 lineup. Powered by the 6631 caliber with 26j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-b9c1fdde10d0]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1989

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