Seiko Cal. 6677 - 554

The Seiko 6677-554 represents an important milestone in Seiko's 1975 lineup. Powered by the 6677 caliber with 24j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-102d81844ee9]

Also known as: Shogun, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1975

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