Seiko Cal. 6396 - 645

The Seiko 6396-645 represents an important milestone in Seiko's 1981 lineup. Powered by the 6396 caliber with 31j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-c6b9f7ee5b20]

Also known as: Crown, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1981

Related Models

• Seiko 5263-942
• Seiko 7011-758
• Seiko 0773-527
• Seiko 5662-100
• Seiko 7087-403
• Seiko 6263-905
• Seiko 4496-234
• Seiko 3860-870
• Seiko 3872-498
• Seiko 4475-793
• Seiko 5299-610
• Seiko 6669-770