Seiko Cal. 6658 - 432

The Seiko 6658-432 represents an important milestone in Seiko's 1975 lineup. Powered by the 6658 caliber with 36j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-8ea0057ac347]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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