Seiko Cal. 4447 - 741

This Hand-Winding model from 1992 features a 39mm PVD Black case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d24fde49dca4]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1992

Related Models

• Seiko 6128-738
• Seiko 6667-765
• Seiko 3811-722
• Seiko 6151-580
• Seiko 0714-504
• Seiko 4557-305
• Seiko 3828-861
• Seiko 6135-805
• Seiko 6273-917
• Seiko 7174-817
• Seiko 5698-523
• Seiko 6242-280