Seiko Cal. 4538 - 662

This Hand-Winding model from 1973 features a 41mm Gold-Plated case. Powered by the 4538 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-a79fd692f140]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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