Seiko Cal. 3897 - 793

This Hand-Winding model from 1973 features a 46mm PVD Black case. Powered by the 3897 caliber with 33j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ad7085c1c408]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

Related Models

• Seiko 6668-759
• Seiko 6682-981
• Seiko 6610-790
• Seiko 6651-760
• Seiko 6619-854
• Seiko 5213-555
• Seiko 5621-744
• Seiko 7181-259
• Seiko 7159-652
• Seiko 6226-420
• Seiko 6698-930
• Seiko 7080-726