Seiko Cal. 3831 - 921

This Hand-Winding model from 1987 features a 34mm Gold-Plated case. Powered by the 3831 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-376230746cf5]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1987

Related Models

• Seiko 0797-177
• Seiko 7191-266
• Seiko 0776-915
• Seiko 7044-940
• Seiko 0767-863
• Seiko 6215-224
• Seiko 3846-564
• Seiko 7014-334
• Seiko 4568-212
• Seiko 7180-718
• Seiko 5614-716
• Seiko 0767-837