Seiko Cal. 6187 - 693

The Seiko 6187-693 represents an important milestone in Seiko's 1966 lineup. Powered by the 6187 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-3e1043ee780a]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1966

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