Seiko Cal. 5670 - 523

Released in 1965, the Cal. 5670 with design code 523 was part of Seiko's domestic market collection. With its 20mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-e64cb1aae932]

Also known as: Monster, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1965

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