Seiko Cal. 6634 - 863

The Seiko 6634-863 represents an important milestone in Seiko's 1990 lineup. Powered by the 6634 caliber with 23j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-3bc8b5d260f0]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1990

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