Seiko Cal. 5256 - 424

The Seiko 5256-424 represents an important milestone in Seiko's 1973 lineup. Powered by the 5256 caliber with 17j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-30e263abd865]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1973

Related Models

• Seiko 6326-974
• Seiko 5633-198
• Seiko 4582-359
• Seiko 6687-579
• Seiko 5617-503
• Seiko 3873-160
• Seiko 6670-761
• Seiko 6674-977
• Seiko 6290-298
• Seiko 5287-513
• Seiko 7010-422
• Seiko 7153-734