Seiko Cal. 5667 - 721

The 5667-721 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5667 caliber with 20j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-70bf933bf222]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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