Seiko Cal. 6698 - 990

The Seiko 6698-990 represents an important milestone in Seiko's 1997 lineup. Powered by the 6698 caliber with 28j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-bbfe311b9054]

Also known as: Helmet, Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1997

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