Seiko Cal. 5642 - 388

Released in 1997, the Cal. 5642 with design code 388 was part of Seiko's domestic market collection. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-998a6db3eed3]

Also known as: Rally, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1997

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