Seiko Cal. 4550 - 723

Seiko 4550-723

This Automatic model from 1978 features a 44mm Hardlex-Coated Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f6ec1d437cd7]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
White
Jewels
19j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1978

Related Models

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