Seiko Cal. 4517 - 312

The 4517-312 is a sought-after Solar piece from Seiko's golden era. Powered by the 4517 caliber with 19j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-c7d83e6894b4]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

Related Models

• Seiko 4545-639
• Seiko 6236-618
• Seiko 6679-845
• Seiko 4446-282
• Seiko 4469-576
• Seiko 6245-671
• Seiko 5244-636
• Seiko 4547-860
• Seiko 0758-145
• Seiko 6694-361
• Seiko 3868-302
• Seiko 4476-753