Seiko Cal. 5664 - 528

The 5664-528 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-6ed89aff1511]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1969

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