Seiko Cal. 7170 - 312

This Spring Drive model from 1976 features a 44mm Stainless Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f93b230b8bd4]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1976

Related Models

• Seiko 6369-322
• Seiko 3835-112
• Seiko 6214-612
• Seiko 0730-339
• Seiko 5252-584
• Seiko 3840-708
• Seiko 5282-799
• Seiko 0727-571
• Seiko 5694-634
• Seiko 3868-296
• Seiko 4566-351
• Seiko 4531-586