Seiko Cal. 6691 - 369

This Spring Drive model from 1977 features a 38mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-e33dc55e0dd0]

Also known as: Turtle, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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