Seiko Cal. 6178 - 166

The Seiko 6178-166 represents an important milestone in Seiko's 1970 lineup. Powered by the 6178 caliber with 34j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-5cba62103d34]

Also known as: World Timer, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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