Seiko Cal. 6631 - 497

The 6631-497 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-8f31ca966aa9]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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