Seiko Cal. 6687 - 972

This Spring Drive model from 1989 features a 40mm Titanium case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3a644a72362a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1989

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