Seiko Cal. 5664 - 221

Released in 1975, the Cal. 5664 with design code 221 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-a856bf350ee8]

Also known as: Navigator, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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