Seiko Cal. 5617 - 657

The 5617-657 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5617 caliber with 24j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-83c8e24b25ce]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1995

Related Models

• Seiko 4542-824
• Seiko 6213-637
• Seiko 7031-681
• Seiko 4598-617
• Seiko 4441-111
• Seiko 7086-692
• Seiko 5622-883
• Seiko 4517-492
• Seiko 6329-736
• Seiko 0745-756
• Seiko 5651-921
• Seiko 4477-811