Seiko Cal. 5639 - 958

This Automatic model from 1991 features a 44mm Gold-Plated case. Powered by the 5639 caliber with 33j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-a9734bb3f350]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1991

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