Seiko Cal. 6690 - 368

The Seiko 6690-368 represents an important milestone in Seiko's 1973 lineup. Powered by the 6690 caliber with 18j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-d3efa9335c42]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1973

Related Models

• Seiko 3833-300
• Seiko 6164-233
• Seiko 3878-721
• Seiko 4457-777
• Seiko 6376-336
• Seiko 7084-288
• Seiko 6117-228
• Seiko 6374-145
• Seiko 0710-808
• Seiko 7167-102
• Seiko 5652-454
• Seiko 5264-439