Seiko Cal. 6647 - 810

The 6647-810 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-af4e40106d2d]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1985

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