Seiko Cal. 6631 - 347

The 6631-347 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-d89da2662ba9]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1982

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