Seiko Cal. 5615 - 447

The Seiko 5615-447 represents an important milestone in Seiko's 1974 lineup. Powered by the 5615 caliber with 19j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-cfe3736ad383]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1974

Related Models

• Seiko 4545-710
• Seiko 0762-876
• Seiko 5250-935
• Seiko 4598-464
• Seiko 3817-844
• Seiko 0757-924
• Seiko 3846-852
• Seiko 7073-240
• Seiko 3895-720
• Seiko 0759-268
• Seiko 4488-446
• Seiko 7024-728