Seiko Cal. 6681 - 743

The 6681-743 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6681 caliber with 29j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-8fc8a88487ed]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1997

Related Models

• Seiko 5622-599
• Seiko 6365-376
• Seiko 4490-948
• Seiko 6645-483
• Seiko 0717-400
• Seiko 6274-749
• Seiko 5686-739
• Seiko 5253-665
• Seiko 6617-697
• Seiko 7085-886
• Seiko 5283-731
• Seiko 0730-864