Seiko Cal. 4431 - 624

The 4431-624 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4431 caliber with 17j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-971b705bde3f]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1995

Related Models

• Seiko 4547-407
• Seiko 3846-908
• Seiko 4522-129
• Seiko 3827-954
• Seiko 0742-241
• Seiko 4438-420
• Seiko 4570-628
• Seiko 5214-938
• Seiko 4459-823
• Seiko 5639-899
• Seiko 3827-746
• Seiko 3899-287