Seiko Cal. 6178 - 604

The Seiko 6178-604 represents an important milestone in Seiko's 1973 lineup. Powered by the 6178 caliber with 22j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-2ccbccfb63dc]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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