Seiko Cal. 6620 - 304

The Seiko 6620-304 represents an important milestone in Seiko's 1992 lineup. Powered by the 6620 caliber with 30j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-0fba3fed6b9c]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1992

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