Seiko Cal. 5698 - 640

The 5698-640 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5698 caliber with 24j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-273cb9b34f72]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1984

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