Seiko Cal. 4421 - 843

The 4421-843 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-c840545f40a8]

Also known as: UFO, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

Related Models

• Seiko 4474-985
• Seiko 6176-650
• Seiko 4540-296
• Seiko 6134-552
• Seiko 6187-909
• Seiko 4581-301
• Seiko 5252-408
• Seiko 7096-181
• Seiko 6187-287
• Seiko 6373-951
• Seiko 5230-291
• Seiko 0710-326