Seiko Cal. 6663 - 636

The 6663-636 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-fce32718b003]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1993

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