Seiko Cal. 6621 - 564

The 6621-564 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-e0b4943c7439]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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