Seiko Cal. 4421 - 833

The 4421-833 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-01bd3becbde3]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

Related Models

• Seiko 5683-229
• Seiko 4580-767
• Seiko 5645-199
• Seiko 7089-564
• Seiko 5656-969
• Seiko 7132-432
• Seiko 6634-789
• Seiko 4458-858
• Seiko 7044-535
• Seiko 4519-195
• Seiko 7199-120
• Seiko 6642-438