Seiko Cal. 5657 - 515

The 5657-515 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-56b6747b721d]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1979

Related Models

• Seiko 6256-312
• Seiko 3864-932
• Seiko 4429-829
• Seiko 6250-135
• Seiko 6611-675
• Seiko 7041-196
• Seiko 5227-110
• Seiko 7029-436
• Seiko 6247-761
• Seiko 6245-305
• Seiko 6177-730
• Seiko 6114-609