Seiko Cal. 6640 - 718

The 6640-718 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-43aa39f16922]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1998

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