Seiko Cal. 4515 - 397

Released in 1976, the Cal. 4515 with design code 397 was part of Seiko's domestic market collection. Powered by the 4515 caliber with 32j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-b638ab8ad41a]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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