Seiko Cal. 6698 - 228

The Seiko 6698-228 represents an important milestone in Seiko's 1971 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-74d72ff4b032]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

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