Seiko Cal. 6664 - 665

This Solar model from 1981 features a 39mm PVD Black case. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-8819771edc20]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

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