Seiko Cal. 6686 - 164

This Hand-Winding model from 1978 features a 45mm Hardlex-Coated Steel case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-360a45f79ae0]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1978

Related Models

• Seiko 3843-146
• Seiko 5237-859
• Seiko 5665-730
• Seiko 6164-335
• Seiko 4511-592
• Seiko 6159-539
• Seiko 0722-592
• Seiko 0723-985
• Seiko 6179-186
• Seiko 7092-680
• Seiko 5668-892
• Seiko 5643-948