Seiko Cal. 6665 - 306

The 6665-306 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-a5eaa4bf84e2]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1986

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