Seiko Cal. 6687 - 850

The Seiko 6687-850 represents an important milestone in Seiko's 1986 lineup. It features a Navy dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-9016c2c79c28]

Also known as: Helmet, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1986

Related Models

• Seiko 7165-381
• Seiko 0766-749
• Seiko 7071-888
• Seiko 5252-379
• Seiko 6347-647
• Seiko 0724-642
• Seiko 7034-845
• Seiko 6616-155
• Seiko 6183-368
• Seiko 3895-621
• Seiko 6264-853
• Seiko 0785-628