Seiko Cal. 6658 - 690

This Spring Drive model from 1997 features a 46mm Two-Tone case. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-7fb345daa3a1]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1997

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