Seiko Cal. 5639 - 961

This Spring Drive model from 1985 features a 41mm Gold-Plated case. With its 22mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-fc43f78777ec]

Also known as: Rally, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1985

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