Seiko Cal. 6621 - 300

The 6621-300 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6621 caliber with 32j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-35827c123fcb]

Also known as: World Timer, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1967

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