Seiko Cal. 6188 - 424

The Seiko 6188-424 represents an important milestone in Seiko's 1966 lineup. Powered by the 6188 caliber with 34j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-a73c9f9d191d]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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