Seiko Cal. 5630 - 668

The 5630-668 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-2cda8fdfc8e3]

Also known as: Turtle, Samurai

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1981

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