Seiko Cal. 6681 - 313

The 6681-313 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-07b56882a88d]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1987

Related Models

• Seiko 4539-726
• Seiko 6379-158
• Seiko 4542-489
• Seiko 4483-535
• Seiko 4553-462
• Seiko 6350-632
• Seiko 4481-559
• Seiko 6345-569
• Seiko 6242-144
• Seiko 4485-275
• Seiko 6164-847
• Seiko 4541-955