Seiko Cal. 6691 - 321

This Spring Drive model from 1969 features a 45mm Gold-Plated case. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d2dcdd128a0a]

Also known as: Navigator, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1969

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