Seiko Cal. 6620 - 626

The 6620-626 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6620 caliber with 26j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-fcf95d5c401e]

Also known as: Turtle, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1975

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