Seiko Cal. 4438 - 515

The Seiko 4438-515 represents an important milestone in Seiko's 1971 lineup. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-d4038b258381]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 7177-213
• Seiko 6615-502
• Seiko 6343-162
• Seiko 6263-641
• Seiko 5661-242
• Seiko 6398-105
• Seiko 0750-637
• Seiko 6649-128
• Seiko 6698-784
• Seiko 6196-977
• Seiko 5240-733
• Seiko 7027-556