Seiko Cal. 3850 - 812

The 3850-812 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3850 caliber with 28j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-6cc4e0c6ae78]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

Related Models

• Seiko 6390-158
• Seiko 5278-928
• Seiko 6392-355
• Seiko 0753-302
• Seiko 3883-636
• Seiko 6374-594
• Seiko 6350-543
• Seiko 5282-894
• Seiko 7188-241
• Seiko 5257-193
• Seiko 7182-383
• Seiko 6346-449