Seiko Cal. 6620 - 574

The 6620-574 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6620 caliber with 35j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-4b96d089bec7]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1992

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