Seiko Cal. 5690 - 403

The 5690-403 is a sought-after Solar piece from Seiko's golden era. Powered by the 5690 caliber with 18j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-a1d875a75611]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

Related Models

• Seiko 5279-737
• Seiko 6231-578
• Seiko 6388-762
• Seiko 4417-618
• Seiko 4462-378
• Seiko 7170-837
• Seiko 6175-541
• Seiko 3825-198
• Seiko 7037-527
• Seiko 6639-429
• Seiko 6373-176
• Seiko 6392-694