Seiko Cal. 6178 - 475

The Seiko 6178-475 represents an important milestone in Seiko's 1968 lineup. Powered by the 6178 caliber with 20j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-d6b71623e9cf]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1968

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