Seiko Cal. 4428 - 518

This Spring Drive model from 1997 features a 44mm Hardlex-Coated Steel case. Powered by the 4428 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-b5e841899793]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1997

Related Models

• Seiko 7061-488
• Seiko 4517-715
• Seiko 6683-666
• Seiko 6631-947
• Seiko 7086-197
• Seiko 6636-553
• Seiko 3854-656
• Seiko 4586-811
• Seiko 4459-411
• Seiko 6258-654
• Seiko 7060-274
• Seiko 4553-263