Seiko Cal. 4555 - 666

Seiko 4555-666

The 4555-666 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-85192e1e07f7]

Also known as: Monster, Sumo

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Navy
Jewels
24j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1970

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