Seiko Cal. 5664 - 613

The 5664-613 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-e3f6a9cf9edb]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1994

Related Models

• Seiko 7011-491
• Seiko 7175-154
• Seiko 3832-797
• Seiko 4414-842
• Seiko 4490-986
• Seiko 7115-122
• Seiko 4558-434
• Seiko 3820-402
• Seiko 3827-204
• Seiko 7091-509
• Seiko 5698-106
• Seiko 4436-637