Seiko Cal. 6620 - 446

The Seiko 6620-446 represents an important milestone in Seiko's 1972 lineup. Powered by the 6620 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-bf4aea4acf20]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1972

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