Seiko Cal. 0770 - 520

This Spring Drive model from 1997 features a 43mm Stainless Steel case. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-41b4b331e1fc]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1997

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