Seiko Cal. 6390 - 585

This Hand-Winding model from 1991 features a 36mm PVD Black case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-445b563bde66]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1991

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