Seiko Cal. 4440 - 970

This Spring Drive model from 1999 features a 37mm Titanium case. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-2b226d3d3e83]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1999

Related Models

• Seiko 5216-580
• Seiko 4487-976
• Seiko 5257-268
• Seiko 3846-198
• Seiko 6396-893
• Seiko 6371-343
• Seiko 0799-816
• Seiko 4445-543
• Seiko 7089-608
• Seiko 6110-348
• Seiko 6299-758
• Seiko 6657-225