Seiko Cal. 6387 - 396

The Seiko 6387-396 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-c9db5225c95f]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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