Seiko Cal. 6651 - 685

The Seiko 6651-685 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-bcad300516ed]

Also known as: Monster, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

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