Seiko Cal. 4555 - 331

Seiko 4555-331

The 4555-331 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-7c22a7a98b1c]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
White
Jewels
27j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1971

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