Seiko Cal. 4533 - 154

The Seiko 4533-154 represents an important milestone in Seiko's 1968 lineup. Powered by the 4533 caliber with 19j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-63f87b9c2d3f]

Also known as: World Timer, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1968

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