Seiko Cal. 6121 - 142

The Seiko 6121-142 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-e3e5bb69a482]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

Related Models

• Seiko 5210-666
• Seiko 6112-633
• Seiko 6278-375
• Seiko 6234-308
• Seiko 6322-324
• Seiko 4588-130
• Seiko 7146-889
• Seiko 6328-338
• Seiko 7097-300
• Seiko 7121-646
• Seiko 6117-198
• Seiko 6686-649