Seiko Cal. 4436 - 943

The 4436-943 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4436 caliber with 30j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-5e2e838978f1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1966

Related Models

• Seiko 7127-207
• Seiko 6341-805
• Seiko 5681-641
• Seiko 7116-875
• Seiko 5243-653
• Seiko 6674-789
• Seiko 5271-428
• Seiko 7059-579
• Seiko 5684-824
• Seiko 3881-340
• Seiko 6229-486
• Seiko 0797-190