Seiko Cal. 6621 - 100

Released in 1971, the Cal. 6621 with design code 100 was part of Seiko's domestic market collection. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-ab42ab0190bf]

Also known as: Panda, UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

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