Seiko Cal. 4421 - 242

Released in 1971, the Cal. 4421 with design code 242 was part of Seiko's domestic market collection. Powered by the 4421 caliber with 24j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-fb1dd18b15cf]

Also known as: Emperor, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 4446-183
• Seiko 6342-272
• Seiko 4532-260
• Seiko 7035-713
• Seiko 3846-510
• Seiko 6642-645
• Seiko 6684-987
• Seiko 5674-111
• Seiko 5276-790
• Seiko 0715-208
• Seiko 4519-648
• Seiko 7126-881