Seiko Cal. 5251 - 900

This Spring Drive model from 1981 features a 46mm Hardlex-Coated Steel case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-af8af34bfbd4]

Also known as: Rally, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

Related Models

• Seiko 3835-393
• Seiko 3846-881
• Seiko 3816-967
• Seiko 6164-972
• Seiko 4580-807
• Seiko 6219-957
• Seiko 7030-550
• Seiko 6692-747
• Seiko 7016-977
• Seiko 7186-623
• Seiko 6121-863
• Seiko 4438-392