Seiko Cal. 5677 - 897

The 5677-897 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5677 caliber with 23j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-ab2c8e530297]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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