Seiko Cal. 6681 - 786

The Seiko 6681-786 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-598356693a64]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1978

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