Seiko Cal. 7033 - 640

Seiko 7033-640

The Seiko 7033-640 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-e3c48d67b927]

Also known as: Tuna, World Timer

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
11.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1966

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