Seiko Cal. 6340 - 423

This Hand-Winding model from 1972 features a 43mm Titanium case. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-1790ee2c53d9]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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