Seiko Cal. 6687 - 347

The Seiko 6687-347 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a9e464f06b36]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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