Seiko Cal. 6340 - 190

The Seiko 6340-190 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-1b99ecca7ea5]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1968

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