Seiko Cal. 5631 - 985

The 5631-985 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a4a68406dde6]

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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