Seiko Cal. 6140 - 710

The Seiko 6140-710 represents an important milestone in Seiko's 1979 lineup. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-700ebf682e40]

Also known as: Navigator, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1979

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