Seiko Cal. 6340 - 461

This Spring Drive model from 1971 features a 39mm Hardlex-Coated Steel case. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-b222a3450fb1]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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