Seiko Cal. 6340 - 559

This Spring Drive model from 1975 features a 45mm Hardlex-Coated Steel case. With its 18mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-8c7afed81200]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

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