Seiko Cal. 4515 - 726

This Quartz model from 1975 features a 35mm Titanium case. Powered by the 4515 caliber with 33j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-366a74aa0abc]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

Related Models

• Seiko 4515-708
• Seiko 6212-614
• Seiko 5680-733
• Seiko 6689-299
• Seiko 6635-581
• Seiko 7161-555
• Seiko 6695-914
• Seiko 5691-378
• Seiko 5296-623
• Seiko 5696-187
• Seiko 4443-830
• Seiko 6236-379