Seiko Cal. 4544 - 990

This Quartz model from 1973 features a 39mm Stainless Steel case. Powered by the 4544 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-c145c7dde39b]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

Related Models

• Seiko 7188-561
• Seiko 6226-746
• Seiko 5229-349
• Seiko 4510-356
• Seiko 3858-466
• Seiko 7030-235
• Seiko 4487-854
• Seiko 4593-720
• Seiko 6671-149
• Seiko 6357-745
• Seiko 7171-918
• Seiko 6242-323