Seiko Cal. 6697 - 231

The Seiko 6697-231 represents an important milestone in Seiko's 1992 lineup. Powered by the 6697 caliber with 30j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-ad4deef1e9ac]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1992

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