Seiko Cal. 6690 - 638

This Hand-Winding model from 1987 features a 42mm PVD Black case. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-331f02f64859]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1987

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