Seiko Cal. 6646 - 592

The Seiko 6646-592 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-aab6de176576]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

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