Seiko Cal. 7180 - 428

The Seiko 7180-428 represents an important milestone in Seiko's 1978 lineup. Powered by the 7180 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-84c7e10bd517]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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