Seiko Cal. 4439 - 154

Seiko 4439-154

This Spring Drive model from 1999 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-d8d76295fa51]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
13.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
30m
Dial Color
Navy
Jewels
24j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1999

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seikata-wm-d8d76295fa51