Seiko Cal. 6631 - 742

Seiko 6631-742

The 6631-742 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-ae0b8b358a81]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
190m
Dial Color
White
Jewels
23j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1979

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