Seiko Cal. 6650 - 587

The 6650-587 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-3ae6d3390d3b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1967

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