Seiko Cal. 4429 - 644

This Spring Drive model from 1987 features a 36mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-b7371ca38eaf]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1987

Related Models

• Seiko 3852-165
• Seiko 6395-489
• Seiko 3823-311
• Seiko 4541-239
• Seiko 3834-368
• Seiko 6354-639
• Seiko 6270-874
• Seiko 0766-706
• Seiko 5291-814
• Seiko 6659-294
• Seiko 6173-272
• Seiko 7139-648