Seiko Cal. 6187 - 557

The Seiko 6187-557 represents an important milestone in Seiko's 1967 lineup. Powered by the 6187 caliber with 18j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-5340c91c72ae]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1967

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