Seiko Cal. 4412 - 666

The Seiko 4412-666 represents an important milestone in Seiko's 1971 lineup. Powered by the 4412 caliber with 31j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-f1a54b548f1a]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1971

Related Models

• Seiko 4590-309
• Seiko 5294-365
• Seiko 5265-514
• Seiko 7076-249
• Seiko 5624-683
• Seiko 7081-649
• Seiko 6155-709
• Seiko 3886-965
• Seiko 5264-294
• Seiko 5295-310
• Seiko 6118-926
• Seiko 6268-863