Seiko Cal. 3831 - 291

This Automatic model from 1966 features a 41mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-d02358572fe6]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1966

Related Models

• Seiko 5667-566
• Seiko 5272-180
• Seiko 7119-841
• Seiko 3854-302
• Seiko 0753-258
• Seiko 6390-391
• Seiko 0756-650
• Seiko 5259-857
• Seiko 6386-335
• Seiko 4464-309
• Seiko 3894-529
• Seiko 3851-522