Seiko Cal. 5664 - 856

The 5664-856 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-16a3bd1ab8b2]

Also known as: Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1970

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