Seiko Cal. 6339 - 660

The 6339-660 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-5ae511749aa0]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1970

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