Seiko Cal. 6158 - 638

The Seiko 6158-638 represents an important milestone in Seiko's 1988 lineup. Powered by the 6158 caliber with 20j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-45dc64f63233]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1988

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