Seiko Cal. 6648 - 425

This Hand-Winding model from 1981 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-6dfde449dd47]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1981

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