Seiko Cal. 4428 - 869

This Spring Drive model from 1977 features a 41mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-95e12b52f6e4]

Also known as: Turtle, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1977

Related Models

• Seiko 3831-592
• Seiko 6191-279
• Seiko 3862-359
• Seiko 5215-768
• Seiko 0743-759
• Seiko 7134-298
• Seiko 5636-798
• Seiko 6314-741
• Seiko 4598-794
• Seiko 0755-274
• Seiko 7068-898
• Seiko 7169-634