Seiko Cal. 4440 - 641

Seiko 4440-641

The Seiko 4440-641 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-28518c8dab27]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1997

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seikata-wm-28518c8dab27