Seiko Cal. 3897 - 402

The 3897-402 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3897 caliber with 17j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-855d24e1e7ba]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1993

Related Models

• Seiko 6651-894
• Seiko 7077-428
• Seiko 6241-493
• Seiko 5662-564
• Seiko 0735-377
• Seiko 5263-821
• Seiko 0729-838
• Seiko 7133-482
• Seiko 6146-470
• Seiko 5290-584
• Seiko 4432-343
• Seiko 6115-841