Seiko Cal. 4556 - 397

Seiko 4556-397

This Spring Drive model from 1992 features a 34mm Stainless Steel case. Powered by the 4556 caliber with 24j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-f5bb71b1e301]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
11.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
80m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1992

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