Seiko Cal. 5631 - 286

The 5631-286 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5631 caliber with 19j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-ae9c30f3a74d]

Also known as: Rally, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1992

Related Models

• Seiko 7079-598
• Seiko 4536-159
• Seiko 5662-749
• Seiko 4436-157
• Seiko 4561-725
• Seiko 6655-135
• Seiko 5623-526
• Seiko 6673-831
• Seiko 4463-609
• Seiko 4455-837
• Seiko 6232-403
• Seiko 5251-519