Seiko Cal. 6390 - 372

This Hand-Winding model from 1972 features a 36mm PVD Black case. With its 20mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-425a0d533c3d]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1972

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