Seiko Cal. 4421 - 336

The 4421-336 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4421 caliber with 17j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-cf4c7e29351d]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1993

Related Models

• Seiko 3897-713
• Seiko 4599-568
• Seiko 4432-791
• Seiko 7139-705
• Seiko 4457-171
• Seiko 4467-849
• Seiko 6691-747
• Seiko 6336-588
• Seiko 6359-915
• Seiko 6242-549
• Seiko 7084-772
• Seiko 0749-802