Seiko Cal. 5631 - 655

The 5631-655 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5631 caliber with 18j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-22ad584dd808]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1980

Related Models

• Seiko 5644-488
• Seiko 4551-904
• Seiko 6643-768
• Seiko 6251-146
• Seiko 6371-666
• Seiko 6172-732
• Seiko 6363-831
• Seiko 6311-401
• Seiko 6688-951
• Seiko 7157-245
• Seiko 6351-171
• Seiko 5631-857