Seiko Cal. 5677 - 255

The 5677-255 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-7fae6a8fbd28]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

Related Models

• Seiko 6280-981
• Seiko 4495-975
• Seiko 6641-740
• Seiko 7017-900
• Seiko 6348-384
• Seiko 0745-841
• Seiko 5262-280
• Seiko 0720-102
• Seiko 7011-798
• Seiko 0719-684
• Seiko 0750-675
• Seiko 5215-965