Seiko Cal. 7187 - 377

The 7187-377 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7187 caliber with 30j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-46f451cec519]

Also known as: Shogun, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1983

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