Seiko Cal. 5654 - 977

The Seiko 5654-977 represents an important milestone in Seiko's 1974 lineup. Powered by the 5654 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-fa9ff1ffdf23]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

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