Seiko Cal. 6388 - 552

The Seiko 6388-552 represents an important milestone in Seiko's 1983 lineup. With its 20mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-cb6df3f5797f]

Also known as: Monster, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1983

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