Seiko Cal. 6658 - 658

This Hand-Winding model from 1999 features a 36mm Hardlex-Coated Steel case. Powered by the 6658 caliber with 27j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-cf293d8513aa]

Also known as: Monster, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1999

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