Seiko Cal. 3817 - 406

This Hand-Winding model from 1979 features a 45mm PVD Black case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-26af7ad9cdf5]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1979

Related Models

• Seiko 4458-389
• Seiko 3837-663
• Seiko 5254-937
• Seiko 3847-310
• Seiko 7043-639
• Seiko 5635-556
• Seiko 7143-945
• Seiko 5281-787
• Seiko 4551-797
• Seiko 6627-110
• Seiko 3893-212
• Seiko 5690-939