Seiko Cal. 6178 - 698

The 6178-698 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-e3d85b7ca1f0]

Also known as: Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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