Seiko Cal. 4555 - 747

Seiko 4555-747

The 4555-747 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-22e29c405f35]

Also known as: Sumo, Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1967

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