Seiko Cal. 6691 - 192

This Spring Drive model from 1977 features a 46mm Gold-Plated case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-f5eaa84a9dff]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1977

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