Seiko Cal. 5251 - 437

The Seiko 5251-437 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5b6fcf3b195a]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1985

Related Models

• Seiko 6189-628
• Seiko 6320-884
• Seiko 7049-951
• Seiko 6171-226
• Seiko 5294-372
• Seiko 3816-775
• Seiko 4514-576
• Seiko 4458-273
• Seiko 3822-522
• Seiko 6298-414
• Seiko 7178-436
• Seiko 5250-374