Seiko Cal. 6681 - 183

The Seiko 6681-183 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e40722c2925d]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

Related Models

• Seiko 6642-683
• Seiko 5268-868
• Seiko 0778-440
• Seiko 6279-857
• Seiko 5285-620
• Seiko 3884-313
• Seiko 5210-618
• Seiko 7062-827
• Seiko 6666-939
• Seiko 6397-172
• Seiko 7068-561
• Seiko 6330-817