Seiko Cal. 5643 - 788

Seiko 5643-788

The Seiko 5643-788 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8fb5c02ad725]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1971

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