Seiko Cal. 3811 - 731

This Spring Drive model from 1989 features a 41mm Gold-Plated case. It features a Burgundy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-4458d7666538]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1989

Related Models

• Seiko 4493-609
• Seiko 6310-638
• Seiko 0731-326
• Seiko 6663-465
• Seiko 4459-611
• Seiko 6312-224
• Seiko 6655-841
• Seiko 3850-462
• Seiko 6220-635
• Seiko 3865-339
• Seiko 5263-621
• Seiko 4452-176