Seiko Cal. 6691 - 876

The 6691-876 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-d666a8918646]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1992

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