Seiko Cal. 6639 - 512

The Seiko 6639-512 represents an important milestone in Seiko's 1994 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-bf651cf5cf9d]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1994

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