Seiko Cal. 5691 - 445

This Automatic model from 1973 features a 40mm Gold-Plated case. Powered by the 5691 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-2cc0dcd090f1]

Also known as: Tuna, Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1973

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