Seiko Cal. 5677 - 821

The Seiko 5677-821 represents an important milestone in Seiko's 1981 lineup. Powered by the 5677 caliber with 21j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-225044198385]

Also known as: Silverwave, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1981

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