Seiko Cal. 6699 - 820

This Hand-Winding model from 1966 features a 34mm Gold-Plated case. Powered by the 6699 caliber with 23j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-46e95ef5ad21]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

Related Models

• Seiko 6641-593
• Seiko 7068-481
• Seiko 6644-189
• Seiko 6625-582
• Seiko 6278-923
• Seiko 5658-571
• Seiko 5264-577
• Seiko 6382-837
• Seiko 4419-728
• Seiko 5630-911
• Seiko 6330-380
• Seiko 7121-476