Seiko Cal. 6691 - 389

This Automatic model from 1967 features a 44mm PVD Black case. Powered by the 6691 caliber with 31j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-9f285b93b452]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1967

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