Seiko Cal. 6638 - 583

The Seiko 6638-583 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-8c3dff2a5e76]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1976

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