Seiko Cal. 4443 - 166

This Spring Drive model from 1972 features a 42mm Stainless Steel case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-2585018df4cf]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

Related Models

• Seiko 4430-368
• Seiko 0793-312
• Seiko 3893-422
• Seiko 4435-239
• Seiko 4438-623
• Seiko 4583-359
• Seiko 5251-304
• Seiko 4420-565
• Seiko 6279-120
• Seiko 4584-525
• Seiko 5275-359
• Seiko 6126-517