Seiko Cal. 6620 - 721

This Solar model from 1988 features a 35mm Hardlex-Coated Steel case. Powered by the 6620 caliber with 30j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-8b44a701b988]

Also known as: Rally, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1988

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