Seiko Cal. 6663 - 273

This Spring Drive model from 1991 features a 43mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-cb0c2f74a548]

Also known as: Turtle, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1991

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