Seiko Cal. 6634 - 766

Seiko 6634-766

The 6634-766 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4d9c7af3b479]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
41mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
30j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1968

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