Seiko Cal. 4564 - 755

The Seiko 4564-755 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-7942add0272d]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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