Seiko Cal. 6389 - 186

The Seiko 6389-186 represents an important milestone in Seiko's 1977 lineup. Powered by the 6389 caliber with 28j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-9de596157b17]

Also known as: UFO, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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