Seiko Cal. 6630 - 831

The 6630-831 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-aee5d4754e88]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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