Seiko Cal. 6616 - 973

This Spring Drive model from 1988 features a 42mm PVD Black case. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-5f29b4a3e27f]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1988

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