Seiko Cal. 6694 - 566

This Solar model from 1979 features a 40mm Two-Tone case. Powered by the 6694 caliber with 21j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-6868dca7c515]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1979

Related Models

• Seiko 5674-788
• Seiko 4585-365
• Seiko 4590-232
• Seiko 6270-221
• Seiko 6299-384
• Seiko 6299-753
• Seiko 5696-826
• Seiko 3896-371
• Seiko 6657-314
• Seiko 6197-999
• Seiko 5291-363
• Seiko 0771-698