Seiko Cal. 4440 - 378

Seiko 4440-378

The Seiko 4440-378 represents an important milestone in Seiko's 1992 lineup. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-eb5aff2dc515]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
9.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Navy
Jewels
26j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1992

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seikata-wm-eb5aff2dc515