Seiko Cal. 3864 - 111

This Spring Drive model from 1982 features a 41mm Hardlex-Coated Steel case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-9523eabbe314]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1982

Related Models

• Seiko 4515-844
• Seiko 5264-563
• Seiko 5658-531
• Seiko 6277-423
• Seiko 5624-351
• Seiko 4597-176
• Seiko 7134-859
• Seiko 5640-311
• Seiko 5613-702
• Seiko 6122-208
• Seiko 5254-368
• Seiko 7124-619