Seiko Cal. 5257 - 766

The Seiko 5257-766 represents an important milestone in Seiko's 1968 lineup. Powered by the 5257 caliber with 26j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-3699ef5c5df6]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1968

Related Models

• Seiko 4529-452
• Seiko 0748-771
• Seiko 7023-503
• Seiko 4456-644
• Seiko 3860-111
• Seiko 4586-517
• Seiko 3824-383
• Seiko 7073-707
• Seiko 5677-917
• Seiko 5633-908
• Seiko 7023-676
• Seiko 4532-755