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 35j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-13be199f36f2]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1976

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