Seiko Cal. 4515 - 107

The Seiko 4515-107 represents an important milestone in Seiko's 1968 lineup. Powered by the 4515 caliber with 26j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-64f8a263eeb0]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

Related Models

• Seiko 6173-874
• Seiko 4483-791
• Seiko 3873-789
• Seiko 7163-841
• Seiko 7046-355
• Seiko 0721-864
• Seiko 3839-310
• Seiko 6178-775
• Seiko 6210-295
• Seiko 3893-283
• Seiko 6372-444
• Seiko 6394-987