Seiko Cal. 5637 - 465

Released in 1968, the Cal. 5637 with design code 465 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-a37e069834c3]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1968

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