Seiko Cal. 7075 - 977

The Seiko 7075-977 represents an important milestone in Seiko's 1979 lineup. Powered by the 7075 caliber with 35j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-3abfc52aa4f5]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1979

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