Seiko Cal. 4553 - 781

The Seiko 4553-781 represents an important milestone in Seiko's 1975 lineup. Powered by the 4553 caliber with 26j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-29ae8eba02cb]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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