Seiko Cal. 6642 - 518

The Seiko 6642-518 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-2b085081f907]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

Related Models

• Seiko 6613-926
• Seiko 0720-871
• Seiko 6159-124
• Seiko 4489-981
• Seiko 3845-596
• Seiko 6264-300
• Seiko 6199-347
• Seiko 6252-582
• Seiko 4524-451
• Seiko 4599-777
• Seiko 0781-356
• Seiko 5650-489