Seiko Cal. 5638 - 144

Released in 1966, the Cal. 5638 with design code 144 was part of Seiko's domestic market collection. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-c86f47dda9bb]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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