Seiko Cal. 6681 - 656

This Hand-Winding model from 1975 features a 35mm Hardlex-Coated Steel case. Powered by the 6681 caliber with 22j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-c4d2b5e47023]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1975

Related Models

• Seiko 6366-222
• Seiko 6160-134
• Seiko 7153-542
• Seiko 5291-743
• Seiko 4484-901
• Seiko 7040-841
• Seiko 7033-987
• Seiko 6219-148
• Seiko 4454-443
• Seiko 7198-905
• Seiko 6323-645
• Seiko 6179-358