Seiko Cal. 7089 - 428

The Seiko 7089-428 represents an important milestone in Seiko's 1982 lineup. Powered by the 7089 caliber with 23j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-b2396534a384]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1982

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