Seiko Cal. 4438 - 691

This Automatic model from 1972 features a 39mm Hardlex-Coated Steel case. With its 18mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-cb779a600432]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

Related Models

• Seiko 5618-898
• Seiko 6216-648
• Seiko 3832-302
• Seiko 6111-659
• Seiko 7022-577
• Seiko 7117-634
• Seiko 5655-669
• Seiko 0724-699
• Seiko 7175-886
• Seiko 7097-126
• Seiko 7065-793
• Seiko 7024-895