Seiko Cal. 6659 - 631

The 6659-631 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-59d4610ae0df]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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