Seiko Cal. 6634 - 624

Seiko 6634-624

The 6634-624 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6de35d55c6f1]

Also known as: Helmet, Sea Horse

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
14.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1985

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