Seiko Cal. 6621 - 555

Released in 1968, the Cal. 6621 with design code 555 was part of Seiko's domestic market collection. With its 19mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-37d4eb2eb286]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1968

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