Seiko Cal. 4550 - 815

Seiko 4550-815

This Automatic model from 1982 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e37f86642ecc]

Also known as: Bullhead, Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
11.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Cream
Jewels
30j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1982

Related Models

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