Seiko Cal. 6686 - 812

This Solar model from 1973 features a 44mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-60864729a8ec]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1973

Related Models

• Seiko 5665-723
• Seiko 6240-274
• Seiko 5627-499
• Seiko 6678-899
• Seiko 7126-219
• Seiko 6178-744
• Seiko 6329-843
• Seiko 0770-514
• Seiko 7137-326
• Seiko 6292-633
• Seiko 7162-928
• Seiko 4527-517