Seiko Cal. 4412 - 612

The 4412-612 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4412 caliber with 26j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-3f13832dd6f3]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1993

Related Models

• Seiko 6663-440
• Seiko 4454-252
• Seiko 6648-290
• Seiko 3838-969
• Seiko 7176-928
• Seiko 6368-450
• Seiko 5290-226
• Seiko 4577-495
• Seiko 3895-382
• Seiko 6355-242
• Seiko 6358-467
• Seiko 4472-809