Seiko Cal. 6378 - 530

This Hand-Winding model from 1988 features a 46mm PVD Black case. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-4f50a7e5696a]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1988

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