Seiko Cal. 6664 - 583

This Spring Drive model from 1998 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-05798274987b]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1998

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