Seiko Cal. 4515 - 441

The Seiko 4515-441 represents an important milestone in Seiko's 1971 lineup. Powered by the 4515 caliber with 26j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-5b3ca0494d9d]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

Related Models

• Seiko 5223-113
• Seiko 6618-128
• Seiko 6245-236
• Seiko 0742-841
• Seiko 7049-648
• Seiko 5616-928
• Seiko 6255-592
• Seiko 5629-442
• Seiko 5263-295
• Seiko 4425-139
• Seiko 7132-447
• Seiko 5279-569