Seiko Cal. 6645 - 973

This Solar model from 1965 features a 40mm PVD Black case. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-3d02139ce0b3]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1965

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