Seiko Cal. 5642 - 144

The Seiko 5642-144 represents an important milestone in Seiko's 1989 lineup. Powered by the 5642 caliber with 22j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-6db947810a99]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1989

Related Models

• Seiko 7151-412
• Seiko 6354-536
• Seiko 6144-241
• Seiko 6259-975
• Seiko 3822-250
• Seiko 6294-812
• Seiko 6144-589
• Seiko 5657-326
• Seiko 5259-874
• Seiko 5287-107
• Seiko 5620-389
• Seiko 3819-739