Seiko Cal. 5656 - 903

The 5656-903 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-7c8ae9ecf3ce]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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