Seiko Cal. 7131 - 723

The Seiko 7131-723 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-29c61e4c6612]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1968

Related Models

• Seiko 5631-181
• Seiko 6352-890
• Seiko 5679-823
• Seiko 6314-356
• Seiko 7135-373
• Seiko 0711-748
• Seiko 4415-149
• Seiko 4523-577
• Seiko 6630-517
• Seiko 6173-737
• Seiko 4538-669
• Seiko 5653-615