Seiko Cal. 6397 - 371

The Seiko 6397-371 represents an important milestone in Seiko's 1998 lineup. Powered by the 6397 caliber with 32j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-621180f06b5e]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1998

Related Models

• Seiko 6239-442
• Seiko 6159-948
• Seiko 4520-111
• Seiko 0755-914
• Seiko 6176-774
• Seiko 5242-195
• Seiko 4480-461
• Seiko 6689-752
• Seiko 7196-954
• Seiko 6692-970
• Seiko 0760-892
• Seiko 6213-319