Seiko Cal. 7090 - 228

The Seiko 7090-228 represents an important milestone in Seiko's 1975 lineup. Powered by the 7090 caliber with 36j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-089827b53c11]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1975

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