Seiko Cal. 4553 - 343

The Seiko 4553-343 represents an important milestone in Seiko's 1969 lineup. Powered by the 4553 caliber with 18j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-f842fb3d76ee]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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