Seiko Cal. 6631 - 734

The Seiko 6631-734 represents an important milestone in Seiko's 1994 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-14f8414793ab]

Also known as: Bullhead, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1994

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