Seiko Cal. 5688 - 655

The 5688-655 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-cb2a035ae501]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

Related Models

• Seiko 4435-295
• Seiko 7059-399
• Seiko 0716-141
• Seiko 7155-684
• Seiko 7081-374
• Seiko 6244-893
• Seiko 6644-754
• Seiko 4529-994
• Seiko 3817-619
• Seiko 6269-232
• Seiko 7197-868
• Seiko 6287-914