Seiko Cal. 6388 - 518

Released in 1979, the Cal. 6388 with design code 518 was part of Seiko's domestic market collection. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-94bde5edef60]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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