Seiko Cal. 6387 - 550

The 6387-550 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-cf56cf27bfe4]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1993

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