Seiko Cal. 5663 - 310

The 5663-310 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-9aaa4585eca1]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1966

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