Seiko Cal. 6691 - 284

This Hand-Winding model from 1974 features a 37mm Two-Tone case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-6e3d11815219]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1974

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