Seiko Cal. 3897 - 688

The 3897-688 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3897 caliber with 29j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-58fdb8dfef08]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

Related Models

• Seiko 0724-780
• Seiko 6626-609
• Seiko 6345-703
• Seiko 5697-422
• Seiko 6255-743
• Seiko 3850-569
• Seiko 6367-240
• Seiko 5686-484
• Seiko 4569-304
• Seiko 6680-166
• Seiko 6170-852
• Seiko 6140-419