Seiko Cal. 6686 - 910

The 6686-910 is a sought-after Solar piece from Seiko's golden era. Powered by the 6686 caliber with 18j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-0018adb28fcd]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1974

Related Models

• Seiko 3838-425
• Seiko 5643-552
• Seiko 6660-991
• Seiko 7080-288
• Seiko 6687-123
• Seiko 0783-873
• Seiko 7022-601
• Seiko 6649-752
• Seiko 4444-347
• Seiko 4542-814
• Seiko 3828-394
• Seiko 5677-527