Seiko Cal. 5640 - 724

This Automatic model from 1989 features a 42mm Gold-Plated case. Powered by the 5640 caliber with 19j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-e7f4c86fc4af]

Also known as: Bellmatic, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1989

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