Seiko Cal. 5251 - 431

This Hand-Winding model from 1989 features a 34mm Gold-Plated case. Powered by the 5251 caliber with 22j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-80c75544cf68]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

Related Models

• Seiko 6637-340
• Seiko 6616-228
• Seiko 0730-361
• Seiko 7153-232
• Seiko 6258-509
• Seiko 6258-647
• Seiko 3842-911
• Seiko 6273-681
• Seiko 6381-721
• Seiko 6274-392
• Seiko 0742-410
• Seiko 6276-735