Seiko Cal. 4533 - 721

The Seiko 4533-721 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-9e59a9e25114]

Also known as: Samurai, Monster

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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