Seiko Cal. 3864 - 996

This Spring Drive model from 1967 features a 39mm PVD Black case. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-5bb78cfdbf20]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

Related Models

• Seiko 4593-961
• Seiko 5612-813
• Seiko 7122-678
• Seiko 4481-362
• Seiko 6343-857
• Seiko 7039-488
• Seiko 6243-965
• Seiko 4451-296
• Seiko 6615-459
• Seiko 5650-371
• Seiko 5265-997
• Seiko 6299-991