Seiko Cal. 7172 - 698

The Seiko 7172-698 represents an important milestone in Seiko's 1978 lineup. Powered by the 7172 caliber with 25j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-ef8fb8332edf]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1978

Related Models

• Seiko 0724-416
• Seiko 6316-601
• Seiko 7090-829
• Seiko 6259-408
• Seiko 7121-958
• Seiko 6127-757
• Seiko 7189-970
• Seiko 6615-201
• Seiko 7093-959
• Seiko 6171-152
• Seiko 6635-417
• Seiko 5251-731