Seiko Cal. 4421 - 153

This Kinetic model from 1968 features a 35mm Hardlex-Coated Steel case. Powered by the 4421 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-40659c6784ed]

Also known as: Monster, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1968

Related Models

• Seiko 6229-623
• Seiko 6290-484
• Seiko 6178-248
• Seiko 5216-378
• Seiko 6232-906
• Seiko 4480-262
• Seiko 6190-206
• Seiko 0774-898
• Seiko 3892-233
• Seiko 6371-690
• Seiko 6269-900
• Seiko 5228-791