Seiko Cal. 5684 - 577

The Seiko 5684-577 represents an important milestone in Seiko's 1978 lineup. Powered by the 5684 caliber with 26j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-b236d4ee3dc7]

Also known as: Samurai, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1978

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