Seiko Cal. 6178 - 727

This Spring Drive model from 1975 features a 34mm PVD Black case. With its 22mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-9020ca6a7e33]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1975

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