Seiko Cal. 6640 - 408

The 6640-408 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-689f2912cec0]

Also known as: Samurai

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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