Seiko Cal. 3856 - 843

This Hand-Winding model from 1974 features a 35mm Stainless Steel case. Powered by the 3856 caliber with 21j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-c9e93d426e76]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

Related Models

• Seiko 6390-716
• Seiko 6395-341
• Seiko 7013-749
• Seiko 4513-798
• Seiko 4512-108
• Seiko 5687-708
• Seiko 4412-175
• Seiko 0719-650
• Seiko 5624-737
• Seiko 7176-918
• Seiko 6614-905
• Seiko 0731-286