Seiko Cal. 6634 - 378

Seiko 6634-378

The 6634-378 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-d0fc7729254d]

Also known as: Panda, Sea Horse

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
42mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1966

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