Seiko Cal. 6340 - 144

The 6340-144 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 68 hours power reserve. [seikata-wm-7f4fc01e2a0d]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1967

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