Seiko Cal. 4599 - 391

This Hand-Winding model from 1970 features a 43mm Two-Tone case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ebd638b200eb]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1970

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