Seiko Cal. 5255 - 647

The Seiko 5255-647 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d08712fb1cd2]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1974

Related Models

• Seiko 7093-619
• Seiko 6288-408
• Seiko 7123-760
• Seiko 6174-866
• Seiko 6694-665
• Seiko 6182-954
• Seiko 3862-999
• Seiko 5664-715
• Seiko 6371-382
• Seiko 6127-973
• Seiko 3894-815
• Seiko 7097-347