Seiko Cal. 0766 - 663

Seiko 0766-663

The Seiko 0766-663 represents an important milestone in Seiko's 1996 lineup. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-b033c2031a35]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Green
Jewels
29j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1996

Related Models

seikata-wm-b033c2031a35