Seiko Cal. 4441 - 531

The 4441-531 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-02be6ca8edae]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

Related Models

• Seiko 4477-213
• Seiko 6366-628
• Seiko 6276-195
• Seiko 7029-956
• Seiko 7075-454
• Seiko 6617-237
• Seiko 6235-865
• Seiko 0769-778
• Seiko 3893-783
• Seiko 4566-893
• Seiko 5617-684
• Seiko 6128-294