Seiko Cal. 6633 - 289

This Spring Drive model from 1981 features a 40mm PVD Black case. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-32e3d177cdcb]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1981

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