Seiko Cal. 6313 - 404

This Hand-Winding model from 1981 features a 40mm PVD Black case. With its 22mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-055a68295ded]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1981

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