Seiko Cal. 4551 - 237

This Spring Drive model from 1983 features a 42mm PVD Black case. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-01424dac3d38]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1983

Related Models

• Seiko 5280-658
• Seiko 6355-667
• Seiko 4527-742
• Seiko 6297-250
• Seiko 7077-593
• Seiko 6278-288
• Seiko 7081-139
• Seiko 5274-544
• Seiko 5698-876
• Seiko 3838-401
• Seiko 6272-356
• Seiko 6664-920