Seiko Cal. 5611 - 635

This Hand-Winding model from 1978 features a 41mm Gold-Plated case. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-2c0ec8712aa0]

Also known as: Bullhead, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1978

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