Seiko Cal. 3897 - 447

The Seiko 3897-447 represents an important milestone in Seiko's 1987 lineup. Powered by the 3897 caliber with 25j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-e5ab8cd795d1]

Also known as: Pogue, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1987

Related Models

• Seiko 7168-505
• Seiko 6674-504
• Seiko 5229-539
• Seiko 5276-365
• Seiko 5697-194
• Seiko 5633-544
• Seiko 5263-317
• Seiko 4417-148
• Seiko 6367-391
• Seiko 6620-849
• Seiko 0794-986
• Seiko 6617-905