Seiko Cal. 6340 - 458

The 6340-458 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-94a98ebf7bd4]

Also known as: Shogun, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1979

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