Seiko Cal. 4440 - 871

The Seiko 4440-871 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-3b45a6b635d8]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1975

Related Models

• Seiko 3818-541
• Seiko 5624-353
• Seiko 4593-585
• Seiko 3837-479
• Seiko 4432-590
• Seiko 7136-196
• Seiko 5650-269
• Seiko 6680-158
• Seiko 4448-763
• Seiko 6375-774
• Seiko 7175-405
• Seiko 0789-771