Seiko Cal. 4412 - 525

The 4412-525 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4412 caliber with 33j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-9f46f7e15565]

Also known as: UFO, Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

Related Models

• Seiko 7140-746
• Seiko 7047-559
• Seiko 6619-554
• Seiko 7187-487
• Seiko 0721-640
• Seiko 3811-718
• Seiko 6688-420
• Seiko 4497-927
• Seiko 6210-253
• Seiko 6154-934
• Seiko 6114-463
• Seiko 0718-430