Seiko Cal. 5664 - 912

The 5664-912 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d64813dd46ad]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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