Seiko Cal. 6663 - 571

The Seiko 6663-571 represents an important milestone in Seiko's 1987 lineup. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-5ca71fb3bd62]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1987

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