Seiko Cal. 6681 - 557

This Solar model from 1985 features a 41mm Gold-Plated case. Powered by the 6681 caliber with 32j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-1d1c46f6b70d]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

Related Models

• Seiko 4422-323
• Seiko 6133-228
• Seiko 4494-384
• Seiko 0736-347
• Seiko 7047-541
• Seiko 4511-342
• Seiko 6296-811
• Seiko 6185-404
• Seiko 0738-271
• Seiko 6689-721
• Seiko 4465-684
• Seiko 7020-598