Seiko Cal. 6642 - 921

The Seiko 6642-921 represents an important milestone in Seiko's 1974 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6c074f7d4fed]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

Related Models

• Seiko 3839-525
• Seiko 6350-184
• Seiko 6368-812
• Seiko 6671-564
• Seiko 3896-863
• Seiko 5252-988
• Seiko 4513-223
• Seiko 5676-490
• Seiko 4571-969
• Seiko 6294-378
• Seiko 6299-578
• Seiko 7047-801