Seiko Cal. 6681 - 998

This Spring Drive model from 1981 features a 38mm Stainless Steel case. Powered by the 6681 caliber with 25j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-72ce3b508666]

Also known as: Turtle, Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1981

Related Models

• Seiko 0779-388
• Seiko 5649-270
• Seiko 5665-936
• Seiko 6178-357
• Seiko 7194-516
• Seiko 0719-817
• Seiko 4598-762
• Seiko 6178-115
• Seiko 5655-959
• Seiko 6627-505
• Seiko 6114-744
• Seiko 5249-462