Seiko Cal. 6621 - 764

The Seiko 6621-764 represents an important milestone in Seiko's 1967 lineup. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-0dad2a954743]

Also known as: Rally, Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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