Seiko Cal. 4515 - 716

The Seiko 4515-716 represents an important milestone in Seiko's 1969 lineup. Powered by the 4515 caliber with 18j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-03b295a41cb3]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1969

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