Seiko Cal. 6681 - 399

This Spring Drive model from 1987 features a 45mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-7bac40eb0d74]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1987

Related Models

• Seiko 6354-335
• Seiko 4514-689
• Seiko 7059-271
• Seiko 5255-796
• Seiko 7173-898
• Seiko 6252-533
• Seiko 3892-126
• Seiko 6656-180
• Seiko 6319-876
• Seiko 7032-241
• Seiko 6645-992
• Seiko 6363-732