Seiko Cal. 7061 - 989

The Seiko 7061-989 represents an important milestone in Seiko's 1977 lineup. Powered by the 7061 caliber with 30j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5b99733b3ac7]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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