Seiko Cal. 7090 - 480

This Spring Drive model from 1971 features a 41mm PVD Black case. Powered by the 7090 caliber with 23j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-b739aa5b1362]

Also known as: Monster, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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