Seiko Cal. 6699 - 831

This Quartz model from 1983 features a 37mm Titanium case. Powered by the 6699 caliber with 33j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-3dfe390fff3a]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1983

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