Seiko Cal. 7012 - 420

The Seiko 7012-420 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e873e88e3662]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

Related Models

• Seiko 4557-278
• Seiko 5245-618
• Seiko 7180-951
• Seiko 3882-305
• Seiko 5677-276
• Seiko 6243-205
• Seiko 3890-972
• Seiko 5255-989
• Seiko 7149-549
• Seiko 4448-390
• Seiko 5220-697
• Seiko 6378-240