Seiko Cal. 6387 - 657

The Seiko 6387-657 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-ea1612ba5952]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1987

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