Seiko Cal. 7056 - 678

The Seiko 7056-678 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-34fe72f5b3c0]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1979

Related Models

• Seiko 7112-965
• Seiko 3878-819
• Seiko 6339-927
• Seiko 3813-454
• Seiko 3891-207
• Seiko 5295-451
• Seiko 6352-295
• Seiko 5296-636
• Seiko 5619-873
• Seiko 5660-422
• Seiko 4580-929
• Seiko 6245-698