Seiko Cal. 5669 - 443

The 5669-443 is a sought-after Solar piece from Seiko's golden era. Powered by the 5669 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-ecbad203e5dc]

Also known as: Tuna, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1983

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