Seiko Cal. 6670 - 435

The 6670-435 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6670 caliber with 36j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-df14ce59a8c5]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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