Seiko Cal. 0766 - 442

Seiko 0766-442

The Seiko 0766-442 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-ab7bc5c0ff35]

Also known as: Tuna, Helmet

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
10.1mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1990

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