Seiko Cal. 5231 - 679

Released in 1965, the Cal. 5231 with design code 679 was part of Seiko's domestic market collection. Powered by the 5231 caliber with 33j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-416fde971fb7]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

Related Models

• Seiko 6390-125
• Seiko 7060-388
• Seiko 3890-908
• Seiko 6663-421
• Seiko 6698-648
• Seiko 6233-419
• Seiko 7027-192
• Seiko 7175-814
• Seiko 4495-367
• Seiko 7152-475
• Seiko 6129-627
• Seiko 4599-144