Seiko Cal. 6186 - 678

This Hand-Winding model from 1999 features a 40mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-0ac60763eb0b]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1999

Related Models

• Seiko 0718-772
• Seiko 4466-750
• Seiko 5274-441
• Seiko 0720-104
• Seiko 3833-313
• Seiko 4552-834
• Seiko 6315-635
• Seiko 6351-740
• Seiko 6646-169
• Seiko 4525-845
• Seiko 7168-839
• Seiko 6240-131