Seiko Cal. 6690 - 217

This Hand-Winding model from 1974 features a 45mm PVD Black case. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-16e7c7bb1fa0]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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