Seiko Cal. 7020 - 506

The 7020-506 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7020 caliber with 20j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-a2717f11d74e]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1998

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