Seiko Cal. 6340 - 839

Released in 1978, the Cal. 6340 with design code 839 was part of Seiko's domestic market collection. Powered by the 6340 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-fde607ebd256]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1978

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