Seiko Cal. 6313 - 664

The Seiko 6313-664 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-06de704c4266]

Also known as: Rally, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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