Seiko Cal. 6387 - 571

This Hand-Winding model from 1973 features a 35mm Gold-Plated case. Powered by the 6387 caliber with 17j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-8bdd9e47ddca]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1973

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