Seiko Cal. 6340 - 770

The Seiko 6340-770 represents an important milestone in Seiko's 1969 lineup. Powered by the 6340 caliber with 27j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-facdbacb2e06]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1969

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