Seiko Cal. 3811 - 380

This Spring Drive model from 1979 features a 39mm Two-Tone case. Powered by the 3811 caliber with 30j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-0002f29cbb84]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1979

Related Models

• Seiko 6653-317
• Seiko 5272-787
• Seiko 6370-402
• Seiko 3847-473
• Seiko 6360-310
• Seiko 7157-560
• Seiko 6684-442
• Seiko 7015-944
• Seiko 6619-597
• Seiko 6124-443
• Seiko 7090-537
• Seiko 7096-575