Seiko Cal. 4445 - 407

This Automatic model from 1968 features a 39mm Stainless Steel case. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-600f4a4b02a6]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1968

Related Models

• Seiko 3886-545
• Seiko 5642-336
• Seiko 5657-973
• Seiko 7145-534
• Seiko 6377-661
• Seiko 0753-707
• Seiko 6256-517
• Seiko 6327-174
• Seiko 4545-425
• Seiko 6228-762
• Seiko 6658-197
• Seiko 6661-204