Seiko Cal. 6690 - 758

This Hand-Winding model from 1979 features a 37mm PVD Black case. Powered by the 6690 caliber with 25j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-dcf3e11591d1]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1979

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