Seiko Cal. 6635 - 683

The Seiko 6635-683 represents an important milestone in Seiko's 1985 lineup. Powered by the 6635 caliber with 34j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ab4057a6000a]

Also known as: Rally, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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