Seiko Cal. 6387 - 989

The Seiko 6387-989 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-d4da91cf8a18]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1977

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