Seiko Cal. 4550 - 772

Seiko 4550-772

The 4550-772 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d42f4828a314]

Also known as: Monster, UFO

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
40mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Green
Jewels
28j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1986

Related Models

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