Seiko Cal. 3813 - 506

The 3813-506 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3813 caliber with 29j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-4798bcb55e1c]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1980

Related Models

• Seiko 4489-788
• Seiko 6296-718
• Seiko 6128-871
• Seiko 6257-195
• Seiko 3865-824
• Seiko 7173-470
• Seiko 0715-724
• Seiko 3898-893
• Seiko 4476-433
• Seiko 7014-764
• Seiko 0790-492
• Seiko 4418-647