Seiko Cal. 6639 - 147

This Kinetic model from 1975 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-a07cf973852f]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1975

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