Seiko Cal. 7145 - 556

This Hand-Winding model from 1983 features a 43mm Hardlex-Coated Steel case. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-ff7bc5717401]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1983

Related Models

• Seiko 5636-586
• Seiko 4424-799
• Seiko 3815-247
• Seiko 5236-960
• Seiko 5238-632
• Seiko 4445-859
• Seiko 5246-416
• Seiko 7122-626
• Seiko 3848-647
• Seiko 6238-698
• Seiko 6690-724
• Seiko 7155-743