Seiko Cal. 6634 - 847

The Seiko 6634-847 represents an important milestone in Seiko's 1993 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4815a505d166]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1993

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