Seiko Cal. 7116 - 977

The Seiko 7116-977 represents an important milestone in Seiko's 1980 lineup. Powered by the 7116 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-d8932a422d39]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1980

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