Seiko Cal. 6663 - 551

The 6663-551 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-75f740e80edd]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1991

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