Seiko Cal. 5635 - 431

The 5635-431 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0e1e64003d76]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1965

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