Seiko Cal. 6315 - 590

This Hand-Winding model from 1974 features a 35mm Two-Tone case. With its 18mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-69e7bd05cf4b]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1974

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