Seiko Cal. 4515 - 243

The Seiko 4515-243 represents an important milestone in Seiko's 1976 lineup. Powered by the 4515 caliber with 34j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-9f5cd2949f27]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1976

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