Seiko Cal. 6394 - 178

The Seiko 6394-178 represents an important milestone in Seiko's 1978 lineup. Powered by the 6394 caliber with 27j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-96e09931cf83]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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