Seiko Cal. 4421 - 436

This Hand-Winding model from 1980 features a 36mm Stainless Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-4b9a980d6c65]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1980

Related Models

• Seiko 4520-387
• Seiko 6682-758
• Seiko 6219-286
• Seiko 6196-907
• Seiko 4542-362
• Seiko 0784-435
• Seiko 5637-665
• Seiko 4521-882
• Seiko 5687-344
• Seiko 6638-262
• Seiko 7155-856
• Seiko 6381-724