Seiko Cal. 6646 - 583

The 6646-583 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-a9151c3e7aba]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1987

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