Seiko Cal. 7017 - 907

The 7017-907 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7017 caliber with 31j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-3f538bf2ad08]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1979

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