Seiko Cal. 6690 - 846

The Seiko 6690-846 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-dd80fa3eb7db]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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