Seiko Cal. 6681 - 399

The Seiko 6681-399 represents an important milestone in Seiko's 1995 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a4e2a3c0e807]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1995

Related Models

• Seiko 4415-398
• Seiko 6325-907
• Seiko 3817-266
• Seiko 7141-869
• Seiko 4533-578
• Seiko 6125-352
• Seiko 6631-312
• Seiko 7059-384
• Seiko 3889-871
• Seiko 7162-262
• Seiko 3863-796
• Seiko 7067-768