Seiko Cal. 6387 - 940

The 6387-940 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6387 caliber with 30j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-c42c94306bd8]

Also known as: Navigator, Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

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