Seiko Cal. 7090 - 901

The Seiko 7090-901 represents an important milestone in Seiko's 1978 lineup. Powered by the 7090 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-613a0ae59f2a]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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