Seiko Cal. 6340 - 312

The 6340-312 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6340 caliber with 33j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-6d3a88cb800c]

Also known as: Silverwave, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1990

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