Seiko Cal. 6621 - 364

The 6621-364 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-58bdc3dcffa5]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1966

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