Seiko Cal. 4457 - 343

The Seiko 4457-343 represents an important milestone in Seiko's 1975 lineup. Powered by the 4457 caliber with 22j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-44f25c65a5ca]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1975

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