Seiko Cal. 6612 - 675

This Hand-Winding model from 1968 features a 43mm Hardlex-Coated Steel case. Powered by the 6612 caliber with 20j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-ec4128dc5797]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

Related Models

• Seiko 6666-501
• Seiko 0766-299
• Seiko 4452-447
• Seiko 0730-860
• Seiko 0733-534
• Seiko 3842-196
• Seiko 5279-400
• Seiko 0733-648
• Seiko 4584-536
• Seiko 6652-248
• Seiko 6183-742
• Seiko 6217-909