Seiko Cal. 5631 - 151

The Seiko 5631-151 represents an important milestone in Seiko's 1994 lineup. Powered by the 5631 caliber with 33j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-bd1582f83944]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1994

Related Models

• Seiko 5628-881
• Seiko 4513-355
• Seiko 0763-828
• Seiko 7187-787
• Seiko 7129-432
• Seiko 7040-673
• Seiko 0776-655
• Seiko 4544-479
• Seiko 4561-959
• Seiko 6689-111
• Seiko 4454-395
• Seiko 3814-487