Seiko Cal. 5231 - 266

The Seiko 5231-266 represents an important milestone in Seiko's 1979 lineup. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-1fa338374a84]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1979

Related Models

• Seiko 4573-606
• Seiko 0730-937
• Seiko 6386-216
• Seiko 5256-204
• Seiko 7122-716
• Seiko 0738-741
• Seiko 7040-850
• Seiko 6257-248
• Seiko 4415-250
• Seiko 3858-232
• Seiko 6382-563
• Seiko 7032-938