Seiko Cal. 6178 - 980

This Spring Drive model from 1969 features a 43mm Hardlex-Coated Steel case. Powered by the 6178 caliber with 33j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-3bb2b3cfb5a9]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1969

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