Seiko Cal. 3890 - 745

This Solar model from 1990 features a 34mm Stainless Steel case. Powered by the 3890 caliber with 30j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-0c249931e0ab]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1990

Related Models

• Seiko 4596-784
• Seiko 7184-332
• Seiko 7099-950
• Seiko 6672-242
• Seiko 0743-743
• Seiko 3814-382
• Seiko 0762-465
• Seiko 6691-866
• Seiko 4581-752
• Seiko 3846-994
• Seiko 6162-807
• Seiko 6281-414