Seiko Cal. 7180 - 890

Released in 1966, the Cal. 7180 with design code 890 was part of Seiko's domestic market collection. Powered by the 7180 caliber with 20j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-738099f9e19e]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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