Seiko Cal. 5631 - 793

The 5631-793 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-fcc729303bcc]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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