Seiko Cal. 6661 - 583

The Seiko 6661-583 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-0f2f9211a5ce]

Also known as: Samurai, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1971

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