Seiko Cal. 6618 - 636

The Seiko 6618-636 represents an important milestone in Seiko's 1994 lineup. Powered by the 6618 caliber with 28j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-efdf6db28be8]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1994

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