Seiko Cal. 6658 - 558

The 6658-558 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6658 caliber with 32j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-ab8b311bc19b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1980

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