Seiko Cal. 5664 - 681

The 5664-681 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-27d8b68e0d3b]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1998

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