Seiko Cal. 6640 - 615

This Kinetic model from 1982 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-5894b8616a3c]

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1982

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