Seiko Cal. 6397 - 777

The Seiko 6397-777 represents an important milestone in Seiko's 1994 lineup. Powered by the 6397 caliber with 17j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-93e784dca7df]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1994

Related Models

• Seiko 5651-589
• Seiko 7119-898
• Seiko 5215-407
• Seiko 6163-839
• Seiko 6673-563
• Seiko 6371-428
• Seiko 3840-339
• Seiko 7041-656
• Seiko 6160-932
• Seiko 5212-149
• Seiko 5231-638
• Seiko 5296-113