Seiko Cal. 4439 - 916

This Hand-Winding model from 1972 features a 42mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-8e8a20d99674]

Also known as: Turtle, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1972

Related Models

• Seiko 7110-184
• Seiko 5294-702
• Seiko 5648-890
• Seiko 6624-324
• Seiko 5293-546
• Seiko 5294-259
• Seiko 5289-944
• Seiko 0736-174
• Seiko 5261-177
• Seiko 5612-158
• Seiko 7065-197
• Seiko 5612-384