Seiko Cal. 4421 - 309

The 4421-309 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-d88849bf26ba]

Also known as: Rally

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1969

Related Models

• Seiko 6367-955
• Seiko 6682-387
• Seiko 4598-614
• Seiko 7186-856
• Seiko 5654-280
• Seiko 6214-866
• Seiko 3868-200
• Seiko 6657-631
• Seiko 4582-793
• Seiko 3851-511
• Seiko 4576-460
• Seiko 6151-463