Seiko Cal. 6691 - 824

This Spring Drive model from 1988 features a 38mm PVD Black case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b99da4e2628b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1988

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