Seiko Cal. 4557 - 622

Seiko 4557-622

This Spring Drive model from 1996 features a 45mm Hardlex-Coated Steel case. Powered by the 4557 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-48f1eef66d2b]

Also known as: Shogun, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
28j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1996

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