Seiko Cal. 6388 - 660

The Seiko 6388-660 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-351a215563df]

Also known as: Panda, World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1977

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