Seiko Cal. 6340 - 497

The 6340-497 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-ae5ccd83278d]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1983

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