Seiko Cal. 6220 - 690

The Seiko 6220-690 represents an important milestone in Seiko's 1970 lineup. Powered by the 6220 caliber with 20j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-99dada83bf12]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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