Seiko Cal. 6389 - 403

The Seiko 6389-403 represents an important milestone in Seiko's 1989 lineup. Powered by the 6389 caliber with 27j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-35cdf24ee56d]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1989

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