Seiko Cal. 5678 - 604

This Automatic model from 1973 features a 37mm Hardlex-Coated Steel case. Powered by the 5678 caliber with 28j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-a05dc6e74d5d]

Also known as: Goldfeather, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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