Seiko Cal. 5634 - 632

The 5634-632 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-76e1bc549913]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1977

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