Seiko Cal. 5255 - 138

The 5255-138 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-ceea98151b9e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1993

Related Models

• Seiko 6617-304
• Seiko 4457-919
• Seiko 6623-162
• Seiko 4442-586
• Seiko 7196-646
• Seiko 4526-405
• Seiko 6166-292
• Seiko 4433-332
• Seiko 3819-508
• Seiko 5289-880
• Seiko 7162-353
• Seiko 0786-589