Seiko Cal. 3831 - 750

This Spring Drive model from 1994 features a 41mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-8157c40caa8d]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1994

Related Models

• Seiko 7155-996
• Seiko 7066-374
• Seiko 4436-957
• Seiko 6693-258
• Seiko 4437-266
• Seiko 3893-643
• Seiko 4547-719
• Seiko 7187-292
• Seiko 6324-771
• Seiko 6147-634
• Seiko 6289-500
• Seiko 3890-380