Seiko Cal. 5631 - 384

Seiko 5631-384

The 5631-384 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-e53db6e81c77]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
60m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1977

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