Seiko Cal. 5664 - 320

The 5664-320 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-0b12e5aea3db]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1982

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