Seiko Cal. 6681 - 100

This Spring Drive model from 1975 features a 34mm Titanium case. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-d38f1d4d9e15]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1975

Related Models

• Seiko 7075-380
• Seiko 0743-556
• Seiko 6251-362
• Seiko 5635-811
• Seiko 6191-242
• Seiko 7068-252
• Seiko 0761-673
• Seiko 6392-993
• Seiko 5272-853
• Seiko 6162-958
• Seiko 3863-877
• Seiko 7071-826