Seiko Cal. 6390 - 516

This Spring Drive model from 1971 features a 35mm Stainless Steel case. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-33fbfad0ebfd]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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