Seiko Cal. 6643 - 649

This Solar model from 1984 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-7642156ed25f]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1984

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