Seiko Cal. 6340 - 345

This Spring Drive model from 1981 features a 34mm Titanium case. With its 22mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-189e667bc86f]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1981

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