Seiko Cal. 6620 - 764

This Hand-Winding model from 1976 features a 45mm PVD Black case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-5ebf32956ffc]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1976

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