Seiko Cal. 6390 - 205

This Spring Drive model from 1967 features a 37mm Titanium case. With its 19mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-707b30f78445]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1967

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