Seiko Cal. 6340 - 399

The Seiko 6340-399 represents an important milestone in Seiko's 1983 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-8a55d2d5985e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1983

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