Seiko Cal. 6646 - 686

The Seiko 6646-686 represents an important milestone in Seiko's 1986 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-f590900c48b0]

Also known as: World Timer

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1986

Related Models

• Seiko 6372-796
• Seiko 5297-806
• Seiko 6635-471
• Seiko 0789-983
• Seiko 0734-339
• Seiko 4447-671
• Seiko 7184-764
• Seiko 5659-620
• Seiko 6695-463
• Seiko 7098-748
• Seiko 5293-240
• Seiko 6110-144