Seiko Cal. 6618 - 558

The Seiko 6618-558 represents an important milestone in Seiko's 1972 lineup. Powered by the 6618 caliber with 22j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-c040b04e7467]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1972

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