Seiko Cal. 6188 - 648

The Seiko 6188-648 represents an important milestone in Seiko's 1984 lineup. Powered by the 6188 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-cac8f034c40e]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1984

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