Seiko Cal. 7139 - 751

This Spring Drive model from 1988 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-44e11586940a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

Related Models

• Seiko 0754-158
• Seiko 0749-117
• Seiko 7033-840
• Seiko 7020-878
• Seiko 6312-785
• Seiko 6316-410
• Seiko 6670-952
• Seiko 6171-444
• Seiko 7077-740
• Seiko 4511-877
• Seiko 5642-137
• Seiko 6613-328