Seiko Cal. 3897 - 662

The 3897-662 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3897 caliber with 18j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-1cc866be7756]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

Related Models

• Seiko 7171-204
• Seiko 6171-137
• Seiko 0739-352
• Seiko 4575-780
• Seiko 6293-217
• Seiko 6148-619
• Seiko 6620-547
• Seiko 6274-633
• Seiko 5647-730
• Seiko 7193-982
• Seiko 0763-938
• Seiko 6346-516