Seiko Cal. 6665 - 143

This Spring Drive model from 1986 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-adf3ab36727d]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

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