Seiko Cal. 6633 - 143

Seiko 6633-143

This Automatic model from 1974 features a 43mm Two-Tone case. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-b0b4848e220c]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
12.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1974

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