Seiko Cal. 7178 - 164

The 7178-164 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7178 caliber with 27j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-a9db2e5e442b]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1980

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