Seiko Cal. 6687 - 526

The Seiko 6687-526 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ad86ad926637]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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