Seiko Cal. 4557 - 371

Seiko 4557-371

The 4557-371 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e707d5269469]

Also known as: Bellmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1979

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seikata-wm-e707d5269469