Seiko Cal. 4446 - 722

This Solar model from 1972 features a 42mm Stainless Steel case. Powered by the 4446 caliber with 22j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-6fc882c635c7]

Also known as: Bullhead, Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

Related Models

• Seiko 4555-683
• Seiko 6627-755
• Seiko 4567-835
• Seiko 4417-183
• Seiko 4544-474
• Seiko 4471-236
• Seiko 6124-645
• Seiko 5624-710
• Seiko 6140-872
• Seiko 4478-819
• Seiko 6194-387
• Seiko 5628-910