Seiko Cal. 6637 - 719

The Seiko 6637-719 represents an important milestone in Seiko's 1979 lineup. Powered by the 6637 caliber with 34j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-3496f9110c84]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1979

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