Seiko Cal. 6628 - 618

The 6628-618 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6628 caliber with 19j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-e5ea88209e2a]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1980

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