Seiko Cal. 6649 - 374

This Spring Drive model from 1965 features a 45mm PVD Black case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-0bf83a29ffb0]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

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