Seiko Cal. 6691 - 507

The 6691-507 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-e5fb3019dade]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1982

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