Seiko Cal. 5658 - 737

The 5658-737 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-6ddcf35701f4]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

Related Models

• Seiko 3872-600
• Seiko 4545-948
• Seiko 6358-231
• Seiko 6380-498
• Seiko 7012-892
• Seiko 4521-440
• Seiko 6399-389
• Seiko 3814-788
• Seiko 6326-626
• Seiko 7048-177
• Seiko 4513-712
• Seiko 4411-534