Seiko Cal. 4515 - 103

This Kinetic model from 1979 features a 37mm Two-Tone case. Powered by the 4515 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-19c3cbc2022f]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1979

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