Seiko Cal. 6148 - 531

The Seiko 6148-531 represents an important milestone in Seiko's 1972 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-960331617435]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1972

Related Models

• Seiko 4594-608
• Seiko 7080-663
• Seiko 3839-422
• Seiko 7092-964
• Seiko 6284-630
• Seiko 7126-563
• Seiko 3847-857
• Seiko 6340-948
• Seiko 7121-749
• Seiko 7167-420
• Seiko 5292-993
• Seiko 7021-860