Seiko Cal. 4564 - 954

The Seiko 4564-954 represents an important milestone in Seiko's 1978 lineup. Powered by the 4564 caliber with 19j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-44dfdfea0200]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

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