Seiko Cal. 4551 - 181

Seiko 4551-181

This Spring Drive model from 1980 features a 43mm Hardlex-Coated Steel case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-582bc849ef07]

Also known as: Navigator, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1980

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