Seiko Cal. 0717 - 446

The 0717-446 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-57c79771c792]

Also known as: Sumo, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1986

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