Seiko Cal. 4428 - 913

Seiko 4428-913

This Hand-Winding model from 1986 features a 35mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-8c76d374074a]

Also known as: Monster, Sumo

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
White
Jewels
36j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1986

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