Seiko Cal. 3831 - 520

This Hand-Winding model from 1993 features a 41mm Gold-Plated case. Powered by the 3831 caliber with 30j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-70b6d4e2b1fb]

Also known as: Silverwave, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1993

Related Models

• Seiko 6275-279
• Seiko 7130-780
• Seiko 6346-924
• Seiko 6360-195
• Seiko 6666-859
• Seiko 6688-887
• Seiko 7169-878
• Seiko 5246-483
• Seiko 6620-150
• Seiko 0756-967
• Seiko 6313-384
• Seiko 0773-711