Seiko Cal. 5643 - 257

The 5643-257 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-a197a4b9d924]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1986

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